Company News

Apr 25, 2026
It bases on high-molecular block copolymer with pigment-affinic groups.
Apr 25, 2026
The Secret to Softness in PU Leather Wet-Process Production
Apr 27, 2026
Exploring the New Blue Ocean of the ASEAN Coatings Market
Apr 17, 2026
Food-Grade Safe • Solvent-Free • Heat, Oil & Water Resistant • Superior Non-Stick
Mar 27, 2026
Topwin's WynSpread® SW-253 is an innovative superwetting spray adjuvant with ultra-low surface tension.
Mar 03, 2026
May the light of the lanterns guide you to new opportunities, and may the spirit of the Year of the Horse bring you prosperity, smooth cooperation and lasting success in the year ahead.
Feb 27, 2026
February 25, 2026 -- After the lively Year of the Horse Spring Festival, Topwin has officially restarted full operations, stepping into a fresh phase of global silicone trade.
Jan 30, 2026
Wish everyone a happy new year and a happy family!
Nov 11, 2025
We are delighted to extend a warm invitation for you to join us at the Topwin booth during Labelexpo Asia 2025.
Oct 28, 2025
A Game - Changer for Paper Coating
May 29, 2025
Unveiling "Black Technology" in Silicone Release Coating
May 29, 2025
From April 1st to 3rd, 2025, Labelexpo Mexico 2025, held in Guadalajara, Mexico, grandly opened. Topwin Technology made a glorious appearance with cutting-edge technologies and innovative achievements, becoming the highlight of the exhibition.
May 29, 2025
Hangzhou Topwin, with Fujian Wynca, participated in PU TECH ASIA 2025, which was held in Thailand from March 12 to 14, 2025. The company showcased its latest technologies and products. 
Feb 26, 2025
Welcome to visit Top Win on PU China 2023 Booth No. 110
Feb 26, 2025
Zhejiang Xinan Chemical Industrial Group Co., Ltd. (known as Wynca Group) was established in 1965, and listed in Shanghai Stock in Sept. 2001.