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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

7*24 Hours Service

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

2019

Professional Techincal Team

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

2018

Reasonable Price

More than 10 precision production line, easy to realize large quantities of goods, to provide you with the best price.

2017

7*24 Hours Service

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

2016

Professional Techincal Team

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

2015

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

Contact Us

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