Established in 2003, Changzhou Sanyou Dior Insulation Materials MFG Co., Ltd is specialized in manufacturing Oven Gaskets, Rubber Seals and Thermal Protection Products of Automotive Wire Harness. We have developed a long-term relationship with world known customers like General Electric, Electrolux, Whirlpool, Samsung, GM, Delphi and etc.

Since its foundation, Sanyou has been in importing advanced management experiences and processing technologies, and investing of professional equipments, consequently, to be a fast moving in boosting our thermal insulation products and enriching their varieties, that we have a number of patents and owning independent intellectual property rights.

Sanyou adheres to strict quality requirements by means of our Quality Assurance Systems and has been certified to ISO 9001: 2008 and ISO/TS 16949: 2009. Moreover, in its quest for both outstanding product quality and customize service, Sanyou was awarded by General Electric Company as Distinguished Supplier and granted by Jiangsu provincial as multiple "high-tech enterprise" and "innovative enterprise".

Our honesty, capability and quality of products have been recognized in thermal insulation industry; Thereby we have earned a good reputation in North America and Oceania. We are so grateful to those companies and partners who provide us with lots of valuable helps and advices in product innovation and continuous improvements.