Rudong Zhenfeng Yiyang Chemical Co., Ltd. is located on the coast of the South Yellow Sea-Huanghai 1st Road, Chemical Industrial Park, Rudong County Coastal Economic Development Zone, near Shanghai and Suzhou, with convenient water, land and air transportation.

After nearly 50 years of development, it now has the production capacity of 10,000 tons of phosphorous acid, 5,000 tons of phosphite and 1,000 tons of tetramethylammonium hydroxide. It has a national industrial product production license and has passed the ISO9001 quality system certification. It is the main manufacturer of phosphorous acid and phosphite for export in China, among which potassium dihydrogen phosphite (potassium phosphite) is the company's invention patent product, which is a national key new product recognized by the Ministry of Economy and Trade.

The company has the right to operate import and export operations, and related products have obtained EU RECH registration. The products are exported to the United States, Germany, Britain, the Netherlands, Spain, Brazil, Japan, South Korea, Israel and other countries and Taiwan, and are well received by users.

The company has always adhered to the product development concept of "market-oriented, high-tech as the leading, research and development and introduction of integration", and it has cooperated with East China University of Science and Technology, Nanjing University of Technology, Nanjing University of Information Science and Technology, Nanjing Normal University, Wuhan University of Technology, and Chinese Academy of Sciences. Many scientific research institutes, including the Institute of Soil Science and Technology, have established close cooperative relations. There are more than 30 professional and technical personnel in various fields, and it has its own municipal engineering technology center, which has established a good cooperation platform for the company to further develop product development and technological innovation. The company now has two invention patents, 18 utility model patents, one national key new product, one provincial high-tech product, and one of the third prizes of Nantong Science and Technology Progress Award, and one of the Rudong Science and Technology Progress Award. High-tech Enterprise in Jiangsu Province".

The company has always adhered to the concept of "embrace the earth, create value", and sincerely cooperate with domestic and foreign merchants for common development!