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Silicone Polyether
Silicone Release Coating
Silicone Amine
Silicone Carbinol
Silicone Acrylate
Silicone Gum Dispersion
Silicone Emulsion
Silicone Carboxyl
Silicone Polyester
Silicone Alkylated
Silicone Fluoro
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Polyurethane Foam
Flexible Foam
HR Foam
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PU shoe sole
TPU
Leather and Textile
Dry-process additive
Wet-process additive
Surface coating additive-aqueous system
Surface coating additive-solvent system additives
Surface coating additive-Genuine leather
Superfine fiber synthetic leather additive
Textile coating additive
Inks and Coatings
Substrate Wetting and Anti-Crater Additives
Surface Control Additives（Leveling Agents）
Anti-Scratch, Wear-Resistant and Slip Agents
Deaerators and Defoamers
UV Resin Additives
Wetting and Dispersing Additives
Resin Modifier
Polyurethane(PU) Resin Modifier and Anti-Graffiti Additives
UV Resin Monomer Manufacturing
Crop Protection
Paper and Film
Base polymer
Additives
Personal Care
PC-0193 Silicone Surfactant
PC-0190 Silicone Surfactant
Others
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Company News
Welcome to the Topwin
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.
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Anti-misting product for high-speed coating machine – SF180MR
Feb 26, 2025
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Holiday Notice of Mid-Autumn Festival 2024
Feb 26, 2025
Mid-Autumn Festival Holidays from Sep. 15th to Sep. 17th
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Notice of Holiday China National Day 2024
Feb 26, 2025
Holiday of China National Day from Oct. 1st to 5th
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Happy New Year: A Season of Family Reunion and Joy!
Feb 26, 2025
Happy New Year: A Season of Family Reunion and Joy!
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Christmas: A Global Festival with Western Origins
Feb 26, 2025
Merry Christmas: A Season of Joy and Wonder！
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【Invitation Letter】 Welcome to visit Top Win on APFE Shanghai 2024
Feb 26, 2025
【Invitation Letter】 Welcome to visit Top Win on APFE Shanghai 2024 Exhibition Time: June. 3th to 5th Exhibition Hall: NECC, CHINA, 1.1H+2.1H Booth No.: 2T86
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Wynca and Topwin Shine at FILM & TAPE EXPO 2024
Feb 26, 2025
A "Film" Feast, "Tape" Connects the World
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Topwin - Innovative "player" in the expansion of Wynca's organosilicon terminal
Feb 26, 2025
向“新”而行 以“质”致远 Strive for "newness" and go far with "quality".
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Dongzhi : The Shortest day of the Year is arriving!
Feb 26, 2025
Happy Dongzhi Festival! Wishing you good health!
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Happy Thanksgiving Day
Feb 26, 2025
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The exhibition information of Topwin in 2021- Professional silicone additives factory
Sep 27, 2024
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Shipment is delayed and ports are crowded
Sep 27, 2024
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UTECH ASIA, PU CHINA 2022
Aug 22, 2022
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The Fourth Technology Development Forum on Waterborne Emulsion Dispersion
May 28, 2021
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