Surpluschem is involved in the trading and distribution of various chemical products and raw materials.

Jiangsu Dena Chemical Co., Ltd. is a Hong Kong-funded enterprise. It currently wholly owns three major production enterprises in the mainland, namely Jiangsu Tianyin Chemical Co., Ltd., Dena (Nanjing) Chemical Co., Ltd., and Dena Chemical Binhai Co., Ltd., and owns two trading companies, Jiangsu Tianyin Chemical Shanghai Co., Ltd. and Tianyin Chemical Industry and Trade (Tianjin) Co., Ltd.

Guangzhou Daily Chemical Co., Ltd. official website

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Jiangxi Gaoxin Frontier Technology Co., Ltd. Jiangxi Gaoxin Frontier Technology Co., Ltd. is mainly engaged in the research and development and production of polyol series chemical products and other organic chemical products. The company is located in the Yuanshangang Industrial Park, Dongxiang District (ancient Linchuan Prefecture), Fuzhou City, Jiangxi Province, a well-known hometown of talents. It is located in the central area of ​​Jiangxi Province, with convenient transportation and abundant human resources and natural resources in the region. Jiangxi Province is one of the "Five Central Provinces" and is surrounded by developed coastal provinces and cities such as Jiangsu, Shanghai, Zhejiang, Fujian, and Guangdong. It is an ideal place to undertake China's industrial transfer and a new round of industrial development.

Heding Pharmaceuticals is a rapidly developing pharmaceutical R&D technology leader, providing API drug R&D services to global pharmaceutical companies and chemical synthesis technology companies, as well as R&D and production amplification of its own products.