+86-2558205825      inquiry@si-win.com
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Company Profile
Development Milestones
We provide a variety of products covering silanes, silicone oils, siloxanes, catalysts, polymers, sealants&adhesives, silicone masterbatch, light stabilizer
and agricultural silicone.
  • 2026
    Nanjing R&D Center
     
    Integrated R&D and sales platform to deliver faster, localized technical support.
  • 2024
    MS Polymer Facility in Shandong
     
    MS Polymer production relocated to enhance efficiency and customer responsiveness.
  • 2022
    Wuhan R&D Center

    Advanced R&D center established to support innovation and technology development.
  • 2018
    U.S. company Established

    North American operations launched, strengthening regional supply and market presence.
  • 2017
    Siwin Founded
     
    Global market expansion across Europe, Asia, Middle East, and the Americas.
  • 2013
    Silane Production Base Established
     
    Silane production base established in Hubei, supporting domestic supply.
Brand Positioning
Siwin: Your Trusted Silicone materials Customization Expert
20+ years of R&D, production and sales of silicone materials (silane, silane oligomers, silicone oil, silicone Polymer, etc.), providing one-stop customized solutions for global industries.

REACH/RoHS/ISO/SGS certified products
  • 800 ㎡
    ​​​​​​​
    +
    Lab

  • 10
    +
    Senior Chemists
  • 20
    +
    Patents​​​​​​​
  • 220
    +
    Acres Base​​​​​​​
  • 98%

    On-Time Delivery Rate​​​​​​​
  • 100
    +
    Global Clients​​​​​​​
300 
+
employees
100000 
+
company covers
400000000¥
+
total investment
5 
buildings
standardized workshops
ABOUT US
Economy is more affordable
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services. This area can be customized to add text, the length of the text is customized, does not affect the operation of the entire site.

This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services. This area can be customized to add text.
Our history
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 7*24 Hours Service

    Have an excellent after-sales service team to ensure that the first time to solve customer after-sales problems.
  • Professional Techincal Team

    We have an excellent technical team, which can be designed according to customers requirements.
  • Reasonable Price

    More than 10 precision production line, easy to realize large quantities of goods, to provide you with the best price.
  • 7*24 Hours Service

    Have an excellent after-sales service team to ensure that the first time to solve customer after-sales problems.
  • Professional Techincal Team

    We have an excellent technical team, which can be designed according to customers requirements.
  • Reasonable Price

    More than 10 precision production line, easy to realize large quantities of goods, to provide you with the best price.
R&D & Production
Lab equipment photos + "Focus on custom silicone crosslinking agent, adhesion promoter and MS Polymer formulations"
Factory panorama + "Smart production lines for stable supply of silicone products.
Contact Us

  Rm 501,  Unit 7, Xingzhihui, Xinghuo Rd 19th,Jiangbei New District, Nanjing, (211899), Jiangsu, China.

  +86-2558205825

  inquiry@si-win.com

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