Production and processing of process signs (excluding advertising production), plastic products (excluding agricultural film), motorcycle parts (excluding engines); sales of motorcycle parts, hardware, Jiaodian, chemical industry (excluding chemical dangerous goods), building materials, decorative materials, paper products, office supplies, and daily necessities. ★★『It shall not operate if it is prohibited by laws and regulations; it shall be subject to examination and approval according to laws and regulations but shall not operate before approval is obtained. 』