Technical promotion services; Technical research and development, sales of CNC mechanical equipment and related accessories such as engraving machines, laser machines, CNC plasma cutting machines, vacuum laminating machines, blistering machines, polishing machines, sanding machines, edge sealing machines, side hole machines, woodworking lathes, woodworking milling machines, etc;

Wholesale of automotive accessories, motorcycle accessories, packaging materials, glass products, lighting fixtures, hardware and electrical appliances, needle textiles, decorative materials, handicrafts, computer software and hardware, electronic products, office supplies, chemical raw materials and products (excluding hazardous chemicals and precursor drugs), building materials, wires and cables, audio equipment, musical instruments, mechanical equipment and accessories (excluding special equipment and power facilities), sports goods, photography equipment Retail; Import and export business. (Enterprises independently choose business projects and carry out business activities in accordance with the law; Projects that require approval in accordance with the law shall be approved by relevant departments before carrying out business activities in accordance with the approved content; )