Hangzhou Wenjian Calcium Industry Co., Ltd. was established in September, 2004. Our company is located in Jiande City Datong Town industrial functional area, covers an area of 50 mu. The company is one of the national high-tech enterprises professional in collection of scientific research, production, sales of calcium hydroxide, calcium oxide, and is one of the main drafting unit of calcium hydroxide, calcium oxide national standards industrial standards. 

Our company's products are widely used in the synthesis of food additives, pharmaceutical intermediates, high-tech biological material HA synthesis, feed additive synthesis of VC phosphate, calcium naphthenic acid, calcium lactate, calcium citrate, synthesis and preparation of food konjac, epoxy chloropropane, glyphosate, calcium base grease, hard acid calcium, calcium naphthenic acid, such as high-grade organic chemical synthesis, Tap water disinfection, sewage treatment, flue gas desulfurization, waste incineration, acid water and treatment, food preparation dye dispersant, non-ferrous metal smelting and other fields.

The company has set up a provincial research and development center, and has completed 26 provincial new product research and development, two national invention patents, 18 utility model patents, among which emulsion calcium hydroxide products fill the domestic gap. The company implements ISO9001 management, from raw materials into the factory to the production process control to product delivery, the implementation of the whole process of strict quality management. Relying on scientific and technological innovation and high quality product quality, the company is in the leading level of calcium hydroxide, calcium oxide industry. The company has won the honor of Hangzhou Famous Brand Product, Hangzhou Famous Trademark, the third prize of Municipal Science and Technology Progress, Jiande Quality Management Award, Zhejiang Science and Technology Enterprise and so on. Over the years, the company has been recognized as a major taxpayer in the city and a key industrial enterprise in Jiande City, with an annual production capacity of 300,000 tons. With advanced technology, excellent quality, perfect service, our products are sold all over the country. We sincerely advocate: market-oriented, science and technology as the leader, innovation as the means, to open up domestic and foreign markets.