5-Chlorothiophene-2-carboxylic acid NEW

General projects: Building materials sales; Sales of construction steel bar products, synthetic materials sales: residential metal materials sales; Sales of chemical products (excluding licensed chemical products): sales of special chemical products (excluding hazardous chemicals), technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion (except for projects that are subject to approval according to law, independently carry out business activities not prohibited or restricted by laws and regulations)