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..
Colored gemstone, ruby, sapphire, emerald, spinel, tourmaline, opal, aquamarine, chrysoberyl, alexandrite, cats eye, zircon, garnet, hessanite garnet, amethyst, tanzanite, green garnet (savourite), peridot, quartz, beryls, green beryl.
Water treatment equipment and sewage treatment equipment, technological development, promotion, and environmental protection equipment, sewage treatment equipment, and environmental protection equipment, computer software and hardware and auxiliary equipment, building materials (excluding sand and gravel), decorative materials (excluding hazardous chemicals), class i medical devices, class ii medical devices, electronic products, electrical equipment, hardware and electrical appliances, household appliances.Construction of landscaping and greening projects, environmental engineering design and construction, import and export of goods and technology
