From a state-owned chemical plant in 1965 to a globally recognized industrial sealant manufacturer serving 100+ countries
From Zhejiang to the World — A Journey of Six Decades
WYNCA Xin'an Chemical was established in Jiande, Zhejiang Province, beginning as a state-owned specialty chemical manufacturer.
Successfully listed on the Shanghai Stock Exchange (Stock: 600596), marking a major milestone in corporate development and governance.
Established production bases in Zhenjiang, Jiangsu and expanded export operations to Southeast Asia, Middle East, Africa and high-end markets including the US, Germany, Japan and Korea.
Selected as the official sealant supplier for the Hangzhou Asian Games infrastructure projects, including the Athletes' Village, Media Village and International Zone.
Self-owned manufacturing bases in Zhejiang & Jiangsu, China
Production bases: Jiande, Zhejiang Province & Zhenjiang, Jiangsu Province · Total area 158,463 m²
Globally recognized quality, environmental and safety standards
Recognized among China's most influential industrial manufacturers for consecutive years.
Ranked among the world's top 20 agrochemical enterprises, demonstrating international competitiveness.
Officially certified as a National-recognized Enterprise Technology Center by Chinese government authorities.
Certified as a High-Tech Enterprise, recognized for innovation in industrial sealant formulations and manufacturing processes.
Official sealant supplier for Hangzhou Asian Games venues — Athletes' Village, Media Village and supporting infrastructure.
Highest-tier certification for environmentally sustainable building materials in China.
Innovation driven by experienced professionals and rigorous quality control
Our self-owned production bases in Jiande, Zhejiang and Zhenjiang, Jiangsu cover a total area of 158,463 m² with 46,858 m² of covered production space. With 872 dedicated R&D engineers and 382 quality control specialists, we maintain strict quality standards across every batch.
Products exported to 100+ countries and regions worldwide
Industrial-grade silicone sealants and specialty adhesives
Chat directly with our export team for quotes, samples, and custom formulations.