Founded in 1985, our company integrates research and development, production, processing and sale. After more than 20 years of development, we have become a leading enterprise in domestic insulation industry, under the jurisdiction of two companies: sales-oriented Wenzhou Haodesheng Enterprise Co., Ltd. (Liushi Town, Wenzhou City) and Zhejiang Haodesheng Electronic Co., Ltd. (Qujiang District of Quzhou) which is the center of R&D and production.



Our main products are: various series of knife switch bottom boards, 3240 epoxy glass cloth laminates, 3021 phenolic paper...