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Hangzhou Top Win Technology Development Co., Ltd.

Topwin is established by Wynca Group together with several specialty silicone companies for the purpose of integrating the complete silicone industry chain and marketing into the end-product fields. The company's competitive advantage is rooted in its founders, who possess extensive expertise in both the upstream and downstream sectors of the supply chain.

 

Specializing in the research and development, production, sales and marketing of silicone-based special functional performance materials, Topwin also serves as a professional provider of technical services. Now our products are widely used in Release Coating for Paper & Film, Coatings and Inks, Leather and Textile, Crop Protection, Polyurethane Foam, Home & Personal Care and others.

 

Topwin
Topwin is one of the leading & professional manufacturer specialized in producing all kinds of SILICONE BASED new materials.
Wynca Group
Topwin is a member of Wynca,
Wynca is one of the top 500 chemical enterprise in China and the top 20 agrochemical sales enterprise in the world.
Technical Service
A R&D team with more than 20 years'
experience, have domestic top-level engineers in silicone surfactant industry.
Customer service
Have perfect innovation system, provide stable quality with competitive price and excellent service.

Company News

18 2026-05
Can Solventless Release Agent Empower Green & Efficient PET Film Coating? SF370 for PET film coating, enabling green, efficient, high-quality release coating with zero VOCs and stable performance.
18 2026-05
How to Solve Long‑Distance Transportation Challenges of Polyurethane Foam? Silicone surfactant XH2596N reduces compression set of PU foam, enables compression packaging, and solves high‑cost transportation issues.
18 2026-05
What’s the New Eco‑friendly Silicone Softener for High‑End Synthetic Leather? SE‑7052, an eco‑friendly softener for synthetic leather. It is solvent‑free, skin‑friendly, durable, easy to apply, and ideal for footwear, bags, furniture and automotive interiors.
09 2026-05
TOPWIN Launches WynCoat®SE-7109: High-Performance Solvent-Based Leather Slip Agent
08 2026-05
How to solve the foaming problem in Agricultural crop protection
25 2026-04
Hangzhou Topwin Technology’s Low-Temperature Curing Silicone Release Products Lead High-End Industry Development Empowered by Technology, Breaking Through with Innovation
25 2026-04
Wyncoat® DIS-8290 – Waterborne Wetting and Dispersing Agent It bases on high-molecular block copolymer with pigment-affinic groups.
25 2026-04
Protein Leather Wet-Process Auxiliary The Secret to Softness in PU Leather Wet-Process Production
27 2026-04
Topwin Debuts at ASEAN COATINGS New Technology Summit Indonesia Station Exploring the New Blue Ocean of the ASEAN Coatings Market
17 2026-04
Siemtcoat® EM5503: High-Performance Silicone Release Agent for Baking Paper Food-Grade Safe • Solvent-Free • Heat, Oil & Water Resistant • Superior Non-Stick