About TOPSEN
Your Best Silicone Sealant
Supplier in China
TOPSEN Sealant is built around the values of perfection, quality, and sustainability. Established in Weifang, Shandong Province, in 2007, TOPSEN ISO9001 certified has emerged to be known for its high-quality silicone sealant products. Our team consists of highly professional engineers to give you the ultimate experience.

Our Vision
We strive to achieve the client's goals and, in the process deliver the most innovative solution that covers all the needs. Over the past fifteen years, we have developed many patents and a satisfied multitude of companies. Our skilled team will continue to provide excellent services with the utmost precision. We will give your architecture life and use the newest research and development trends to influence your customers.
Our Factory Overview
The whole series of production processes of silicone sealant products, product design, manufacturing, packaging and printing, product accessories, etc. are all completed independently. Out of these, a few are listed below.

High Quality Raw Materials
Customized Formula
Structural silicone sealant can be customized according to different application needs and market requirements. Adjust the additives and additives in the formula according to specific environmental conditions and usage requirements to provide optimal performance and functionality. Customized formulas ensure the adaptability and superior performance of the product.


Advanced Processes and Technologies
The production equipment is precise and efficient, ensuring product consistency and quality. Through strict production control and quality management, ensure that products meet international standards and regulatory requirements.
Continuous Innovation
As a manufacturer of silicone sealant, continuous innovation and research and development are key to ensuring product advantages. By continuously improving product formulas, developing new technologies and materials, structural silicone sealants can adapt to constantly changing market demands and provide higher levels of performance and reliability.


Production Capacity
Service Support Capability
A professional sales and pre-sales support team can provide strong support for you in sealant selection and project planning, helping you achieve project implementation and reduce costs.






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