1) raw material products petroleum-related products like petroleum coke, light circulating oil, etc, iron ore, copper ore, bauxite, limestone, anthracite, steam coal, coking coal, etc 2) waste recycling product: mill scale, aluminum scrap from incineration, fragmentized scrap from incineration, tire wire scrap, pig iron skulls from desulphurization, mineral wool slag, steel skulls,eaf slag 3) agricultural and sideline products: such as soybean oil, sunflower oil, rapeseed oil, etc. 4) medical protective products: masks, protective clothing, rapid tests, etc. 5) electronic products: smart electronic products, 3c products, etc..
