Yancheng Longsheng Chemical Co., Ltd., established in 1991, specializes in the research, development, and production of fine chemical intermediates such as bromo(chloro)alkanes, hydroxycarboxylates, aromatic hydrocarbons, and halogenated amines. It is a key domestic production base for organic bromine series products, with over 30 years of industry experience.
       The company's products are widely used in various fine chemical fields, including pharmaceutical raw materials, pesticide intermediates, flavors and fragrances, dye intermediates, UV absorbers, surfactants, electronic chemicals, new energy materials, and high-performance polymer modifications, providing stable and reliable structural unit solutions for global customers.
       The company is headquartered in Yancheng, Jiangsu, and in 2021, it established a wholly-owned subsidiary, Hebi Haige Longsheng New Materials Co., Ltd., in Hebi, Henan. This subsidiary is building a modern intermediate production base covering 370 acres, with a total investment of 1 billion CNY. Upon completion, the annual production capacity will reach 50,000 tons, further enhancing the company's production capacity and delivery capabilities in the high-end intermediate sector, and creating a fine chemical new materials industrial platform focused on "intelligent manufacturing + green environmental protection."
       Longsheng Chemical has long-term strategic partnerships with several international large-scale pharmaceutical companies and chemical groups. Its products are exported to Europe, America, Japan, South Korea, Taiwan, India, and other countries and regions, earning widespread trust from customers. The company strictly adheres to ISO 9001 and ISO 14001 management systems, with many products registered under REACH and passing SEDEX audits. Equipped with testing instruments such as gas chromatographs, Karl Fischer moisture titrators, and spectrophotometers, as well as a comprehensive QA/QC system, the company ensures full-process quality traceability and strict release control from raw materials to finished products.
       We are committed to serving global customers with high-quality products, excellent service, and competitive prices, striving to become a long-term, stable, and trustworthy partner in the field of fine chemical intermediates.