Shandong Lansuo Chemical Co., Ltd., located in the Chemical Auxiliary Industrial Park of Yanzhou District, one of the ancient nine prefectures, is a key provincial chemical enterprise specializing in the production of phosphate series products. The company primarily produces and sells monopotassium phosphate, sodium tripolyphosphate, and sodium hexametaphosphate. Its products are widely used in food processing additives (industrial additives); papermaking, detergent, pharmaceutical, printing and dyeing, and ceramic production; as well as in industries such as cement, fertilizer production, petroleum, drilling, wastewater treatment, and refractory materials.