Jiyuan Mingchuan Metal Materials Co., Ltd. Was established on May 29, 2020, How to operate: Refractories, non-ferrous metals (excluding hazardous chemicals), steel, scrap metals, building materials (excluding stones and sand), alloy blades, alloys, special equipment for oil drilling and production, forgings, agricultural products, feed, fertilizers, cement, lubricating oil, metal products, office equipment, office consumables, cutting fluids (excluding hazardous chemicals), steel sales; Refractory technology development, Steel sales; Refractory material technology development, metal material technology development, oil extraction technology services; Aquaculture; Warehousing services (excluding coal and hazardous chemicals); Machinery and equipment processing involves licensed business items, which should be approved by relevant departments before they can operate.