Research and development, manufacturing, sales: electronic products, metal products, mechanical and electrical products, ventilation equipment, machinery and equipment, auto parts , electrical construction 1 and household appliances, wholesale and sale: electronic products, arts and crafts, cultural and sports supplies, daily provisions, bagsAct the role ofing, Zhong Yi mirror, provide hardware and electricity construction, and household appliances and other related technology, service, technology consultation, technology transfer, the self-management and agent all kinds of goods and technology import and export (national limit or prohibit the import and export of enterprise management of goods and technology except (subject to approval in accordance with the project, approved by related department approval to carry out theCamp activities)