Weifang Shuangfeng Chemical Co., Ltd. is located in the Lin Gang Industrial Park, Binhai Development Zone, Weifang, Shandong. Founded in 2008, it specializes in the production of brominated polystyrene with an annual designed production capacity of 5,000 tons and 5-chlorosalicylic acid with an annual output of 1,000 tons. The company boasts advanced production processes and technology, ensuring stable production control, high product purity, and excellent thermal stability. It has passed ISO9001 Quality Management System certification, ISO14001 Environmental Management System certification, and OHSAS18001 Occupational Health and Safety Management System certification. Equipped with imported testing instruments, the company ensures a 99.9% compliance rate for its products. The products have passed REACH testing and Korean REACH pre-registration, supplying major international companies in the United States, Europe, Japan, and South Korea.