Tangshan Kunfeng Biotechnology Co., Ltd., formerly known as Tangshan Wansheng Biotechnology Co., Ltd., was founded in 2019 with a registered capital of 50 million yuan. It is an agricultural fertilizer production enterprise specializing in the research and development, production, and sales of water-soluble fertilizer technology. The company is located in Leting Economic Development Zone, Hebei Province, on the coast of Bohai Sea, adjacent to Jingtang Port, adjacent to Tianjin Port, and north of the Coastal Expressway and Tanggang Expressway, with convenient sea and land transportation.

The company covers a total area of 18900 square meters, with advanced production technology and equipment, a professional R&D management team, and strong technical strength. The company produces 120000 tons of magnesium sulfate monohydrate, 50000 tons of magnesium sulfate heptahydrate, 10000 tons of anhydrous magnesium sulfate, and 120000 tons of granular ammonium sulfate annually, with a total annual production capacity of over 300000 tons.

The company adheres to the core values of "quality first, customer first, and honesty", relying on high-quality products and services, fully relying on the advantages of port location, and establishing stable and long-term cooperative relationships with many industries. Its products are exported to countries and regions such as Europe, America, Asia, and Africa.