Which companies in Sichuan use sulfur slag?

Sichuan has sulfur slag used by Sichuan Duoshen Chemical Company and Chuanwei Group Co., Ltd. ... Sichuan Chuanwei Group Co., Ltd. produces sulfur slag to make cement. Sichuan Duoshen Chemical Co., Ltd. is a company that produces and sells a variety of chemical products for the whole country. The main products are: national standard sulfur, high-grade phosphate rock powder (flotation phosphate concentrate), high-grade vanadium-titanium ore (high-grade titanium ore, standard titanium ore required for steelmaking, vanadium slag), coking sulfur, coke, potassium chloride and so on.