Est. 1965 · Shanghai Stock Exchange: 600596

WYNCA — 60+ Years of Industrial Excellence

From a state-owned chemical plant in 1965 to a globally recognized industrial sealant manufacturer serving 100+ countries

1965
Founded
8,134
Team Members
100+
Countries Served
158K m²
Production Base

Our Story

From Zhejiang to the World — A Journey of Six Decades

1965 — Foundation

WYNCA Xin'an Chemical was established in Jiande, Zhejiang Province, beginning as a state-owned specialty chemical manufacturer.

2001 — Listed on Shanghai Stock Exchange

Successfully listed on the Shanghai Stock Exchange (Stock: 600596), marking a major milestone in corporate development and governance.

2010s — Global Expansion

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.

2023 — Asian Games Partner

Selected as the official sealant supplier for the Hangzhou Asian Games infrastructure projects, including the Athletes' Village, Media Village and International Zone.

Production Facilities

Self-owned manufacturing bases in Zhejiang & Jiangsu, China

Certifications & Awards

Globally recognized quality, environmental and safety standards

🏆

China Manufacturing Top 500

Recognized among China's most influential industrial manufacturers for consecutive years.

🌍

Global Agrochemical Top 20

Ranked among the world's top 20 agrochemical enterprises, demonstrating international competitiveness.

🔬

National Enterprise Technology Center

Officially certified as a National-recognized Enterprise Technology Center by Chinese government authorities.

🚀

High-Tech Enterprise

Certified as a High-Tech Enterprise, recognized for innovation in industrial sealant formulations and manufacturing processes.

🏗️

Asian Games 2023 Partner

Official sealant supplier for Hangzhou Asian Games venues — Athletes' Village, Media Village and supporting infrastructure.

🌿

China Green Building Material (3-Star)

Highest-tier certification for environmentally sustainable building materials in China.

✓ ISO 9001 Quality Management
✓ ISO 14001 Environmental Management
✓ ISO 45001 Occupational Health & Safety
✓ China Green Building Material (3-Star)

Core Technology & Team

Innovation driven by experienced professionals and rigorous quality control

872
R&D Engineers
382
QC / QA Staff
46,858 m²
Production Area
2
Production Bases

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.

Global Markets & Clients

Products exported to 100+ countries and regions worldwide

🌏
Southeast Asia
Vietnam · Thailand · Indonesia
🏜️
Middle East
UAE · Saudi Arabia · Qatar
🌍
Africa
Nigeria · South Africa · Kenya
🇺🇸
North America
USA · Long-term client: 3M
🇩🇪
Europe
Germany · Volkswagen · BASF
🇯🇵
East Asia
Japan · Canon · Daikin · Korea

Key Products

Industrial-grade silicone sealants and specialty adhesives

Neutral Silicone Weather-Resistant Sealant
Structural Adhesive (SSG Series)
PU Foam Sealant / PU Construction Adhesive
Butyl Sealant (Hot-melt / Cold-applied)
Waterproof Coating Membrane System
OEM / Custom Formulation Service

Ready to discuss your project?

Chat directly with our export team for quotes, samples, and custom formulations.