Shanghai Jack Jiawen Mechanical Equipment Co., Ltd General items: Sales of mechanical equipment; Import and export of goods; Technology import and export; Sales of special electronic equipment; Retail of hardware products; Wholesale of hardware products; Sales of electrical equipment; Sales of metal products; Retail of auto parts; Wholesale of auto parts; Retail of motorcycles and spare parts; Wholesale of motorcycles and spare parts; Sales of electronic products; Mold sales; Sales of plastic products; Sales of building decoration materials; Sales of pipeline transportation equipment; Sales of glass fiber and products; General equipment repair; General mechanical equipment installation service; Leasing services (excluding licensed leasing services); Lease of mechanical equipment; Organize cultural and artistic exchange activities; Marketing planning; General goods warehousing services (excluding hazardous chemicals and other items requiring approval); Domestic freight transportation agent. (In addition to the projects that need to be approved according to law, the business activities shall be carried out independently according to law with the business license)