Sales of machinery and equipment, chemical products (excluding hazardous chemicals), glass products, electronic products, plastic products, rubber products, clothing, shoes and hats, daily necessities, cultural supplies, Wujinjiaodian, instruments, automobile and motorcycle accessories, computer software and hardware and auxiliary equipment, molds; import and export of goods, technology import and export, agent import and export; biotechnology promotion, technical services; economic information consulting (excluding intermediary services); graphic design and production.