
General projects Plastic products manufacturing, plastic products sales, building materials sales, building decoration materials sales, mechanical equipment sales, mechanical equipment leasing, chemical products production (excluding licensed chemical products), chemical products sales (excluding licensed chemical products), fireproof sealing materials sales, building waterproofing membrane products manufacturing, building waterproofing membrane products sales, rubber products manufacturing Sales of rubber products, manufacturing of daily-use glass products, sales of daily-use glass products, manufacturing and processing of doors and Windows, sales of doors and Windows, manufacturing of hardware products, wholesale of hardware products, manufacturing of lightweight building materials, import and export of goods, import and export of technology (except for projects that require approval according to law, business activities are carried out independently based on the business license in accordance with the law)