Antimicrobial Additives For Plastics and Polymers
● Top manufacturer in China
● ISO 9001 certificated
● R&D + Prduction by ourselves
● 13 years application experiece
Our key Strength
With our 13 years of expertise in the antimicrobial plastics industry, our technology is recognized globally for its quality, traceability, and credibility.

Make your product reach 99.9% antimcirobial rate
Our scientifically proven antimicrobial technology provides up to 99.9% protection against a wide range of microbes, ensuring minimal risk of staining, odors, and material degradation.

Free sample and free antimicrobial testing service
We understand the importance of making informed decisions for your business, which is why we are delighted to provide you with a hands-on experience of our antimicrobial additives at absolutely no cost to you.

Unique technology for high transparency plastic applications
With our unique technology, You can now achieve superior antimicrobial protection without sacrificing the transparency of your products with PP, PVC, PET, PE, or other transparent materials.
How do we grow your business?
At Langyi, we offer an extensive range of antimicrobial additives tailored for engineering plastics and commodity polymers. Whether you work with PP, PE, PVC, PC/ABS blends, Polyamide, Polycarbonate, or other materials, our additives enhance their performance, giving you a competitive edge in the market.
SUPPORT YOU WITH PROFESSIONAL R&D TEAM
Our technical support team consists of Ph.D. experts from China’s top universities, with years of experience in product development and application. They are proficient in developing tailored antimicrobial agents and additive solutions for different materials.
ISO CERTIFICATED FACOTRIES BOTH IN SHANGHAI AND SHANDONG
Our production bases are in both Shandong and Shanghai, which are ISO9001 certified. With stringent management measures in place, we ensure consistent and stable product quality for you.
PROFESSIONAL ANTIMICROBIAL TESTING LABORATORY
Ten thousand grade purification microbial testing center, Construction of P2 laboratory, Equipped with a complete set equipment of microbial culture and antibacterial performance testing
FAST SHIPPING WITHOUT COMPROMISING PRODUCT QUALITY
Our factory is located near the two major ports of Shanghai and Qingdao. It is only 2-3 hours drive from the ports, making export transportation extremely convenient.
Our Product category
We have developed silver, zinc and copper ion series of antimicrobial additives, in powder form, masterbatch form or liquid form, which can meet the requirement of different applications.
Antimicrobial Powder
Glass or phosphate as carrier, can be customized in particle size according to different applications




Antimicrobial Liquid
Glass or phosphate as carrier, can be customized in particle size according to different applications



Antimicrobial masterbatch
Glass or phosphate as carrier, can be customized with different types of plastics according to different applications, such as PP, PE, PVC, PLA, PET, PU, TPU, PC, ABS, PMMA, etc.


