An Innovator and Pioneer in the Bio-Manufacturing Industry
Leading the Global Market Bio-Manufactured Long-Chain diacids Products
In the field of biological long-chain diacids among monomer series products, Cathay Biotech is the world’s first supplier with a complete intellectual property portfolio and polymer-grade industrial technology capabilities. Its products cover various long-chain and mixed diacids from C9 to C18.
The World’s First Supplier with 10,000-Ton-Scale Production Capacity for Bio-Based Pentamethylene Diamine
In the field of bio-manufactured pentamethylene diamine (PDA) monomer products, Cathay Biotech is the world’s only supplier with 10,000-ton-scale industrial production capacity and a complete intellectual property portfolio.
The World’s First Supplier with Industrial Production Capacity for Bio-Based Polyamides
In the field of bio-based polyamide matrix resin products, Cathay Biotech is the world’s first supplier to achieve industrial production and has a complete intellectual property portfolio. Its product series cover bio-based long-chain polyamides, bio-based high-temperature polyamides, bio-based general-purpose polyamides and more.
About Cathay Biotech
2000
Founded
2020
Listed
1,700+
Employees
Cathay Biotech Inc. (Stock Code: 688065.SH) is an innovator and pioneer in the global bio-manufacturing industry. Cathay Biotech is committed to advancing the R&D and industrial production of bio-based new materials through cutting-edge biotechnology, providing diversified green solutions for the sustainable development of the industrial economy.
Cathay Biotech’s business focuses on the full industrial value chain of bio-based polyamides. Its products cover monomer raw materials for bio-based polyamide production, including a series of bio-manufactured long-chain diacidss and bio-based pentamethylene diamine, as well as bio-based polyamide engineering plastics, bio-based polyamide continuous fiber reinforced composites, and bio-based polyamide textile materials. Its products and solutions can be widely applied in new energy, modern logistics, green buildings, automotive, electrical and electronics, industrial products, daily consumer goods, textile applications and other fields.
R&D Center

Cathay Biotech is one of the representative high-tech enterprises using bio-manufacturing solutions to achieve large-scale production of new materials. It is also an R&D-driven company focused on bio-manufacturing theory, technologies and industrialization methods. Over the years, Cathay has consistently followed an R&D-driven strategy, emphasizing the integration of R&D with market and production needs, and using effective market demand to guide the direction of technology development. Cathay has accumulated extensive R&D achievements in synthetic biology, cell engineering, biochemical engineering, polymer materials and engineering, and has built a multidisciplinary professional R&D team with rich experience in molecular biology, chemistry, polymerization and material applications.
Cathay Biotech has two major R&D platforms: the Shanxi Taiyuan Research Institute and the Shanghai Innovation Center. These platforms focus on the development of new bio-manufacturing technologies and products, with research efforts centered on key technologies such as bio-based raw material supply, AI-assisted R&D, and high-performance thermoplastic continuous fiber composites. They help significantly shorten the industrialization cycle of scientific research achievements and provide renewable bio-based new materials for the industry and partners.
In 2024, the company’s R&D Center was recognized as a National Enterprise Technology Center jointly certified by the National Development and Reform Commission, the Ministry of Science and Technology, the Ministry of Finance, the General Administration of Customs and the State Taxation Administration.
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