Introduction – Company Background
GuangXin Industrial Co., Ltd. is a specialized manufacturer dedicated to the development and production of high-quality insoles.
With a strong foundation in material science and footwear ergonomics, we serve as a trusted partner for global brands seeking reliable insole solutions that combine comfort, functionality, and design.
With years of experience in insole production and OEM/ODM services, GuangXin has successfully supported a wide range of clients across various industries—including sportswear, health & wellness, orthopedic care, and daily footwear.
From initial prototyping to mass production, we provide comprehensive support tailored to each client’s market and application needs.
At GuangXin, we are committed to quality, innovation, and sustainable development. Every insole we produce reflects our dedication to precision craftsmanship, forward-thinking design, and ESG-driven practices.
By integrating eco-friendly materials, clean production processes, and responsible sourcing, we help our partners meet both market demand and environmental goals.
Core Strengths in Insole Manufacturing
At GuangXin Industrial, our core strength lies in our deep expertise and versatility in insole and pillow manufacturing. We specialize in working with a wide range of materials, including PU (polyurethane), natural latex, and advanced graphene composites, to develop insoles and pillows that meet diverse performance, comfort, and health-support needs.
Whether it's cushioning, support, breathability, or antibacterial function, we tailor material selection to the exact requirements of each project-whether for foot wellness or ergonomic sleep products.
We provide end-to-end manufacturing capabilities under one roof—covering every stage from material sourcing and foaming, to precision molding, lamination, cutting, sewing, and strict quality control. This full-process control not only ensures product consistency and durability, but also allows for faster lead times and better customization flexibility.
With our flexible production capacity, we accommodate both small batch custom orders and high-volume mass production with equal efficiency. Whether you're a startup launching your first insole or pillow line, or a global brand scaling up to meet market demand, GuangXin is equipped to deliver reliable OEM/ODM solutions that grow with your business.
Customization & OEM/ODM Flexibility
GuangXin offers exceptional flexibility in customization and OEM/ODM services, empowering our partners to create insole products that truly align with their brand identity and target market. We develop insoles tailored to specific foot shapes, end-user needs, and regional market preferences, ensuring optimal fit and functionality.
Our team supports comprehensive branding solutions, including logo printing, custom packaging, and product integration support for marketing campaigns. Whether you're launching a new product line or upgrading an existing one, we help your vision come to life with attention to detail and consistent brand presentation.
With fast prototyping services and efficient lead times, GuangXin helps reduce your time-to-market and respond quickly to evolving trends or seasonal demands. From concept to final production, we offer agile support that keeps you ahead of the competition.
Quality Assurance & Certifications
Quality is at the heart of everything we do. GuangXin implements a rigorous quality control system at every stage of production—ensuring that each insole meets the highest standards of consistency, comfort, and durability.
We provide a variety of in-house and third-party testing options, including antibacterial performance, odor control, durability testing, and eco-safety verification, to meet the specific needs of our clients and markets.
Our products are fully compliant with international safety and environmental standards, such as REACH, RoHS, and other applicable export regulations. This ensures seamless entry into global markets while supporting your ESG and product safety commitments.
ESG-Oriented Sustainable Production
At GuangXin Industrial, we are committed to integrating ESG (Environmental, Social, and Governance) values into every step of our manufacturing process. We actively pursue eco-conscious practices by utilizing eco-friendly materials and adopting low-carbon production methods to reduce environmental impact.
To support circular economy goals, we offer recycled and upcycled material options, including innovative applications such as recycled glass and repurposed LCD panel glass. These materials are processed using advanced techniques to retain performance while reducing waste—contributing to a more sustainable supply chain.
We also work closely with our partners to support their ESG compliance and sustainability reporting needs, providing documentation, traceability, and material data upon request. Whether you're aiming to meet corporate sustainability targets or align with global green regulations, GuangXin is your trusted manufacturing ally in building a better, greener future.
Let’s Build Your Next Insole Success Together
Looking for a reliable insole manufacturing partner that understands customization, quality, and flexibility? GuangXin Industrial Co., Ltd. specializes in high-performance insole production, offering tailored solutions for brands across the globe. Whether you're launching a new insole collection or expanding your existing product line, we provide OEM/ODM services built around your unique design and performance goals.
From small-batch custom orders to full-scale mass production, our flexible insole manufacturing capabilities adapt to your business needs. With expertise in PU, latex, and graphene insole materials, we turn ideas into functional, comfortable, and market-ready insoles that deliver value.
Contact us today to discuss your next insole project. Let GuangXin help you create custom insoles that stand out, perform better, and reflect your brand’s commitment to comfort, quality, and sustainability.
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Many modern marine invertebrates have chromosomes with the same structure as their ancestors from over 600 million years ago. Marine invertebrates have preserved their ancient chromosomal structures for over 600 million years, revealing evolution’s conservative nature and the deep genetic links between modern animals and their distant ancestors. Many of today’s marine invertebrates, including sponges and jellyfish, have chromosomes with the same ancient structure they inherited from their primitive ancestors more than 600 million years ago, according to a new study. The surprise finding is a reminder that evolution is conservative — it keeps things that work well, like the organization of genes on a chromosome — and provides a key link between creatures alive today, including humans, and our very distant ancestors. “It emphasizes that even in something as fundamental as their chromosomes, diverse animals resemble each other,” said the study’s senior author, Daniel Rokhsar, the Marthella Foskett Brown Chair in the Department of Molecular and Cell Biology at the University of California, Berkeley. “That’s one of the reasons why we can learn so much about human biology from studying fruit flies, nematode worms, jellyfish, and other ‘simple’ model systems — it’s because of the underlying unity of all animals. What we learn about animal diversity affects how we think about ourselves.” The findings were published in the journal Science Advances. A fire or flame jellyfish (Rhopilema esculentum) photographed at the Monterey Bay Aquarium. These jellyfish, a popular food in Japan, are native to the warm temperate waters of the Pacific Ocean. Credit: Bill Abbott, Creative Commons License The new analysis predicts that the first multicellular animals carried their genes in 29 pairs of ancient chromosomal units. As the first animals arose in the oceans and evolved into diverse invertebrates, from sponges to worms to humans, many of these chromosomes have remained intact for half a billion years. For comparison, humans now have 23 pairs of chromosomes, for a total of 46, the result of two duplications and multiple mergers and chromosomal rearrangements since the earliest animals. The study, led by Rokhsar and Oleg Simakov of the University of Vienna in Austria, is the first to compare the chromosomal position of genes from diverse animals, such as sponges, jellyfish, sea scallops and other aquatic invertebrates, allowing the ancestral organization to be inferred and rare changes in chromosome organization to be studied. Though this kind of analysis has been done for fruit flies and many vertebrates, including humans, it is only recently that the chromosome-scale genomes of diverse invertebrates have been determined. The lancelet, or amphioxus, is an invertebrate, but has a similar body plan to a vertebrate. Credit: Vincent Moncorgé Evolution is Conservative Because of increasingly advanced techniques for identifying which genes are close to one another when the chromosome is curled up inside the nucleus, scientists over the past few years have begun assigning genes to chromosomes in several invertebrates: the Florida lancelet, Branchiostoma floridae, a dainty, quill-like sea creature also known as amphioxus; a scallop, Patinopecten yessoensis; a fresh water sponge, Ephydatia muelleri; and the fire jellyfish, Rhopilema esculentum, a cnidarian. Rokhsar, Simakov, and their team extended this set by determining the chromosomal sequences of a fifth animal, a hydra, Hydra vulgaris, another type of cnidarian. Hydra vulgaris is a freshwater species of cnidarians. Credit: Courtesy of the Smithsonian “What we find is remarkable: If you compare those five species with each other, you find that there’s extensive conservation; in many cases, whole chromosomes or big pieces of chromosomes have stayed together. A whole chromosome in a sponge might correspond to a chromosome in a jellyfish,” he said. “They’re not organized in exactly the same way — the genes are in a different order in the various species — but over these long-time scales, a chromosome behaves like a bag of genes that has maintained its integrity since the beginning of animal life in the pre-Cambrian era.” Once they discovered, in their sample of invertebrates, that genes tended to remain together on the same chromosome — something referred to as synteny, from the Greek for “on the same thread” — they predicted that the same would be true of other invertebrates, including sea urchins and various kinds of worms and mollusks. When they looked at the chromosomes of these organisms, they found similar conservation of DNA across chromosomes. All seemed to harken back to the same 29 chromosomal pairs that were present in the early animal ancestors. What does this mean for humans and other vertebrates? An aquarium specimen of the Japanese scallop, Patinopecten yessoensis. Credit: Harum Koh, Creative Commons License “If you compare amphioxus to scallops and then representatives of a lot of different vertebrates — different kinds of fish, like lampreys, chickens, and so forth — you can see that there are 18 different groups of genes that seem to always stick together,” said Rokhsar, who is also a Chan Zuckerberg Biohub investigator and a member of the Joint Genome Institute at the Lawrence Berkeley National Laboratory. “They always travel together on the same piece of DNA, and so the simplest interpretation is that there were 18 ancestral chromosomes in the proto-vertebrate ancestor.” Rokhsar and his team have long suspected that chromosomes were more preserved than people thought. Over the past 20 years, he and his group have sequenced and analyzed the genomes of diverse animals, including a sea squirt, a placozoan, a species of lancelet and a different species each of sponge, choanoflagellate, sea anemone, octopus, acorn worm, leech, limpet and polychaete worm. While the early “draft” genomes were often fragmented, they nevertheless showed signs that there were anciently conserved groups of genes linked together across diverse animals. Newer technologies that allow whole chromosomes to be determined have confirmed those early hypotheses. The sponge Ephydatia muelleri. Credit: Pfliegler Walter The fact that the genes of diverse invertebrates group together so faithfully, despite hundreds of millions of years of independent evolution, could indicate that for genes to jump around among chromosomes is a lot harder than scientists presumed from their studies of vertebrates, where genes have rearranged more frequently, likely because of genetic drift. “Animals like amphioxus live in huge populations where the rare mutants with rearranged chromosomes are at a disadvantage and typically die out, whereas, in small, subdivided populations, which is more typical of mammals, rearrangements are more likely to survive and spread. That’s one hypothesis,” said Rokhsar. Vertebrates Mixed It Up Alternatively, there may be some unknown reason why sets of genes have to remain together. One famous example is the Hox genes, which determine which end of the animal embryo forms the head and which the tail, and all gradations in between. These genes are all clustered together on one chromosome in most invertebrates, and this clustering is important for their deployment during development. The functional clustering of these genes may be an exception, however, and there’s no evidence yet that the clusters found in the recent study are functionally related, Rokhsar said. The colored lines link similar genes across the chromosomes of five invertebrates — a scallop, a lancelet, a sponge, a jellyfish and a hydra. The amazing lack of crossover shows that genes have largely remained on the same chromosomes through over half a billion years of evolution. Credit: Daniel Rok, Science Advances The simple conservation of chromosomes stops with invertebrates, because early in vertebrate evolution, the entire genome was duplicated twice in the lineage leading to jawed vertebrates, a group that includes mammals, birds, reptiles, amphibians and most fish. During the course of these large-scale duplications, a series of chromosomal reorganizations forged the genomes of the earliest jawed vertebrates, which eventually gave rise to humans. By tracking groups of genes as they moved from one chromosome to another as the earliest vertebrates evolved, however, Rokhsar and collaborators were able to leap over the vertebrate-invertebrate divide and connect the earliest animal chromosomes with those of contemporary vertebrates. “One of the cool things is that once we infer these ancient proto-chromosomes and organize them on the tree of life, then we can make predictions. If you go and sequence some other genomes, we predict that you will inevitably find that these genes are mixed together on the same chromosome,” he said. “Unlike physics or chemistry, you don’t usually get to make such predictions in biology. But now we know something, in a sense, about almost all animal genomes from this comparison.” For more on this research, see Unraveling the Ancient Stories Hidden in DNA Code. Reference: “Deeply conserved synteny and the evolution of metazoan chromosomes” by Oleg Simakov, Jessen Bredeson, Kodiak Berkoff, Ferdinand Marletaz, Therese Mitros, Darrin T. Schultz, Brendan L. O’Connell, Paul Dear, Daniel E. Martinez, Robert E. Steele, Richard E. Green, Charles N. David and Daniel S. Rokhsar, 2 February 2022, Science Advances. DOI: 10.1126/sciadv.abi5884 The work was supported by the National Institutes of Health (RO1 HD080708), the Chan Zuckerberg Biohub, and the Molecular Genetics Unit of the Okinawa Institute of Science and Technology Graduate University (OIST) in Japan, where Rokhsar has a joint appointment as a visiting professor. Other co-authors of the paper are Jessen Bredeson, Kodiak Berkoff and Therese Mitros of UC Berkeley; Ferdinand Marletaz of OIST and University College in the U.K.; Darrin Schultz of UC Santa Cruz and the Monterey Bay Aquarium Research Institute; Brendan O’Connell and Richard Green of UC Santa Cruz; the late Paul Dear of Mote Research Ltd. in the U.K.; Daniel Martinez of Pomona College; Robert Steele of UC Irvine; and Charles David of the Ludwig Maximilian University of Munich in Germany.
A study reveals that a subset of journals may be exhibiting significant bias and favoritism. Scientific journals are expected to consider research manuscripts dispassionately and without favor. But in a study published on November 23rd, 2021, in the open access journal PLOS Biology, Alexandre Scanff, Florian Naudet and Clara Locher from the University of Rennes, and colleagues, reveal that a subset of journals may be exercising considerable bias and favoritism. To identify journals that are suspected of favoritism, the authors explored nearly 5 million articles published between 2015 and 2019 in a sample of 5,468 of biomedical journals indexed in the National Library of Medicine. In particular, they assessed authorship disparity using two potential red flags: (i) the percentage of papers in a given journal that are authored by that journal’s most prolific author, and (ii) a journal’s Gini index, a statistical measure widely used by economists to describe income or wealth inequalities. Sketch by David of Napoleon crowning himself (L’Empereur Napoleon se couronnant lui-même). Credit: Jacques-Louis David Their results reveal that in most journals, publications are distributed across a large number of authors, as one might hope. However, the authors identify a subset of biomedical journals where a few authors, often members of that journal’s editorial board, were responsible for a disproportionate number of publications. In addition, the articles authored by these “hyper-prolific” individuals were more likely to be accepted for publication within 3 weeks of their submission, suggesting favoritism in journals’ editorial procedures. Based on a large available database, this survey could not perform a detailed qualitative analysis of the papers published in such journals suspected of biased editorial decision-making, and extensive further work will be needed to assess the nature of the articles published by hyper-prolific authors in journals flagged as potentially “nepotistic.” Why would this matter? Such “nepotistic journals,” suspected of biased editorial decision-making, could be deployed to game productivity-based metrics, which could have a serious knock-on effect on decisions about promotion, tenure, and research funding. To enhance trust in their practices, the authors argue that journals need to be more transparent about their editorial and peer review practices and to adhere to the Committee on Publication Ethics (COPE) guidelines. Locher adds, “To highlight questionable editorial behaviors, this study explores the relationship between hyper-prolific authors and a journal’s editorial team.” Reference: “A survey of biomedical journals to detect editorial bias and nepotistic behavior” by Alexandre Scanff, Florian Naudet, Ioana A. Cristea, David Moher, Dorothy V. M. Bishop and Clara Locher, 23 November 2021, PLoS Biology. DOI: 10.1371/journal.pbio.3001133
A Stanford study using genetic and molecular tools has unraveled the mystery of starfish anatomy, revealing that their “head” is distributed across multiple regions, including the center and each limb. This finding challenges traditional understanding and suggests a complex evolutionary history. The research, exploring the transformation from bilateral to pentaradial body plans, emphasizes the importance of studying diverse life forms to gain insights into evolutionary biology. If you put a hat on a starfish, where would you put it? On the center of the starfish? Or on the point of an arm and, if so, which one? The question is silly, but it gets at serious questions in the fields of zoology and developmental biology that have perplexed veteran scientists and schoolchildren in introductory biology classes alike: Where is the head on a starfish? And how does their body layout relate to ours? Now, a new Stanford study that used genetic and molecular tools to map out the body regions of starfish – by creating a 3D atlas of their gene expression – helps answer this longstanding mystery. The “head” of a starfish, the researchers found, is not in any one place. Instead, the headlike regions are distributed with some in the center of the sea star as well as in the center of each limb of its body. “The answer is much more complicated than we expected,” said Laurent Formery, lead author and postdoc in the labs of Christopher Lowe at the Stanford School of Humanities and Sciences and Daniel S. Rokhsar at the University of California, Berkeley. “It is just weird, and most likely the evolution of the group was even more complicated than this.” Starfish (sea stars) belong to a group of animals called echinoderms. Echinoderms and humans are closely related, yet the life cycle and anatomy of sea stars are very different from ours. Sea stars begin life as fertilized eggs that hatch into a free-floating larva. The larvae bob in the ocean in a plankton form for weeks to months before settling to the ocean floor to perform a magic trick of sorts – transforming from a bilateral (symmetric across the midline) body plan into an adult with a five-point star shape called a pentaradial body plan. “This has been a zoological mystery for centuries,” said Lowe, who is also a researcher at Hopkins Marine Station and senior author of the paper that was recently published in the journal Nature. “How can you go from a bilateral body plan to a pentaradial plan, and how can you compare any part of the starfish to our own body plan?” Mapping stars For puzzles such as this one, researchers often conduct comparative studies to identify similar structures in related groups of animals to glean clues about the evolutionary events that prompted the trait of interest. “The problem with starfish is there is nothing on a starfish anatomically that you can relate to a vertebrate,” said Lowe. “There is just nothing there.” At least, nothing on the outside of a starfish. And that is where genetic and molecular techniques come in. During his graduate research, Formery studied early development in sea urchins – echinoderms, like sea stars, that also start their life as bilateral larvae before transforming into adults with fivefold symmetry. When Formery joined Lowe’s lab, Formery’s knowledge of echinoderm development combined with Lowe’s expertise in molecular biology techniques to help tackle the mystery of sea stars’ baffling body plan. The team used a group of well-studied molecular markers (Hox genes are an example) that act as blueprints for an organism’s body plan by “telling” each cell which body region it belongs to. “If you strip away the skin of an animal and look at the genes involved in defining a head from a tail, the same genes code for these body regions across all groups of animals,” said Lowe. “So we ignored the anatomy and asked: Is there a molecular axis hidden under all this weird anatomy and what is its role in a starfish forming a pentaradial body plan?” To investigate this question, the researchers used RNA tomography, a technique that pinpoints where genes are expressed in tissue, and in situ hybridization, a technique that zeroes in on a specific RNA sequence in a cell. “First we sectioned sea star arms into thin slices from tip to center, top to bottom, and left to right,” said Formery, noting that sea stars regenerate missing limbs. “We used RNA tomography to determine which genes were expressed in each slice and then ‘reassembled’ the slices using computer models. This gave us a 3D map of gene expression.” “In the second method, in situ hybridization chain reaction, we stained sea star tissue and visually inspected the samples to see where a gene was expressed,” said Formery. This enabled the researchers to examine anterior-posterior (head to tail) body patterning in the outermost layer of cells called the ectoderm. “This was made possible by the recent, big, technical improvement in in situ hybridization, known as in situ hybridization chain reaction, Formery said. “This new method provides better resolution of where the gene is expressed.” The research revealed that sea stars have a headlike territory in the center of each “arm” and a tail-like region along the perimeter. In an unexpected twist, no part of the sea star ectoderm expresses a “trunk” genetic patterning program, suggesting that sea stars are mostly headlike. Mining truly diverse biodiversity Research is often centered on groups of animals that look like us, the researchers explained. But if we focus on the familiar, we are less likely to learn something new. “There are 34 different animal phyla living on this planet and in over roughly 600 million years they have all come up with different solutions to the same fundamental biological problems,” Lowe said. “Most animals don’t have spectacular nervous systems and are out chasing prey – they are modest animals that live in burrows in the ocean. People are generally not drawn to these animals, and yet they probably represent how much of life got started.” This study demonstrates how a comparative approach that uses genetic and molecular techniques can be used to mine biodiversity for insights into why different animals look the way they do and how their body plans evolved. “Even in recent molecular papers there’s a question mark near echinoderms on the evolutionary tree because we don’t know much about them,” Formery said. “It was nice to show that – at least at the molecular level – we have a new piece of the puzzle that can now be put on the tree.” Reference: “Molecular evidence of anteroposterior patterning in adult echinoderms” by L. Formery, P. Peluso, I. Kohnle, J. Malnick, J. R. Thompson, M. Pitel, K. R. Uhlinger, D. S. Rokhsar, D. R. Rank and C. J. Lowe, 1 November 2023, Nature. DOI: 10.1038/s41586-023-06669-2 Formery, Lowe, and Rokhsar are also researchers at the Chan Zuckerberg BioHub. Rokhsar is also a researcher at the Okinawa Institute of Science and Technology. Additional Stanford co-authors are Ian Kohnle, Judith Malnick, and Kevin Uhlinger of Hopkins Marine Station. Additional authors are from Pacific Biosciences in Menlo Park, California, and Columbia Equine Hospital in Gresham, Oregon. This research was funded by NASA, the National Science Foundation, and the Chan Zuckerberg BioHub.
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