Weifang Derun Chemical Co., Ltd. is the wholly-owned subsidiary of Shandong Xuye New Materials Co., Ltd. It is specialized in the research, production and distribution of isophthalic acid derivatives. The company was established in December, 2009, located in Binhai road, Changyi Binhai (Xiaying) Economic Development Zone, Weifang, Shandong, China. it covers an area of 46,000m2,with first-class technology, equipments, management and production.
Weifang Derun Chemical Co., Ltd. has the  production capacity of Dimethy-5-Sulfoisophthalate Sodium Salt (SIPM) is 8,000 tons/year and the 5-Sulfoisophthalic Acid Monosodium Salt (5-SSIPA) is 3.000 tons/year. Both of the two products have independent intellectual property rights and technical patents. Products are exported to Europe, the United States, Korea, India, Australia and other countries and areas.