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Wenzhou Qingming Chemical Co., Ltd. was formerly kown as Wenzhou Qingming Chemical Factory. Qingming Chemical Factory was founded in 1942, and it is one of the earliest fine chemical factories in China. In July 2002, the company was turned into limited liability company and it passed the ISO9001 certification in 2003. In 2005, the company was moved to Wenzhou Industrial park. At present, Qingming is a professional production base of food additive and epoxy resin curing agent in China.
The company specializes in manufacturing food additives dominated by sorbitan fatty acid ester series (Span series) and polyoxyethylene sorbitan carboxylic ester series (Tween series); epoxy resin active tenacity improvers and curing agents dominated by CMP410, methyl tetrahydrophthalic anhydride, polysebacic polyanhydride, and industrial surfactants dominated by PEG264 oleate, polyoxyethylene castor oil, fatty alcohol-polyoxyethylene ether, triethanolamine, and etc.