Manufacturing and processing of precision tools (except measuring instruments) and cutting tools (operated by branches above the upper limit), mechanical equipment, auto parts, motorcycle parts, glasses (except contact lenses), clothing, furniture, doors and windows, household appliances, plastic products, laboratory equipment, molds, electronic products, Wujinjiaodian, pipeline fittings, wholesale and retail of craft gifts, professional construction of pipeline construction projects, design and construction of public safety technical prevention projects. [Projects that require approval according to law can only be carried out with approval from relevant departments]