Where can I buy pyrite cinder in Yibin, Sichuan?

Nanguang Town, Xuzhou District, Yibin City, Sichuan Province has purchased pyrite cinders. According to the map query, Yibin Deyi Waste Materials Recycling Co., Ltd. is located at No.36 Tuozishe, Dashi Village, Nanguang Town, Xuzhou District, Yibin City, Sichuan Province, and is mainly engaged in scrap metal recycling and wholesale services.