Development, manufacturing, sales and service of new aluminum alloy materials, aluminum-based alloy wire rods and equipment. General items: Lubricating oil sales; Metal chains and other metal product manufacturing; Metal product sales; Metal product research and development; Plastic product manufacturing; Plastic product sales; Road freight transport of ordinary vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); Metallurgical special equipment manufacturing; Metallurgical special equipment sales; Import and export of goods