
Nantong Shengfeng Chemical Co., Ltd
Nantong Shengfeng Chemical Co., Ltd. was established in January 2006, transformed from the former Rudong County Keli Chemical Plant. As a company deeply involved in the production of phosphorous acid, we have accumulated 16 years of mature production experience and have won widespread recognition from domestic and foreign customers with our stable and reliable product quality.
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Nantong Shengfeng Chemical Co., Ltd. is located in Fengli Town, Nantong City, bordering the Yangtze River to the south and the Yellow Sea to the east. Situated within Shanghai's one-hour economic circle, it enjoys convenient land and water transportation, giving it a significant geographical advantage. The company specializes in producing a series of phosphonates, including phosphonic acid, potassium dihydrogen phosphate, and potassium phosphonate. All products strictly adhere to national standards, ensuring stable and reliable quality. With our superior product strength, our products are exported to South America, North America, Australia, and most parts of Europe, winning unanimous praise from customers both domestically and internationally. In the future, we sincerely look forward to joining hands with friends from all walks of life at home and abroad to deepen cooperation and jointly create a new pattern of win-win development.

Our Product
Phosphorous acid, phosphite




Product Application
In agriculture: It can be used as a core ingredient in high-efficiency fertilizer additives to help improve crop nutrient absorption efficiency and meet the needs of modern agricultural production; In industry: It is widely used in water treatment, metal processing and other scenarios, providing reliable support for industrial production with its stable product performance.
Our Certificate
Successfully passed EU REACH regulation certification and obtained certificate
Production Equipment
The production equipment is fully equipped, including 20 reaction kettles, 4 centrifuges, a thermal oil circulating boiler, and a small packaging filling line, which can fully meet the needs of large-scale production and standardized packaging of a series of phosphonate products.
Production Market
The market layout shows a differentiated development trend: the Asian market focuses on Japan and Taiwan, where a stable cooperative relationship has been formed; the South American market is centered on Argentina and Brazil, with a solid business foundation; the European market is in the early stage of market development, and no orders have been signed yet, but market penetration will continue to be promoted in the future.
