Verified Manufacture of Concrete Structural Components Manufacturers (2026)

General items: manufacture of concrete structural components; sale of concrete structural components; manufacture of cement products; sale of cement products; manufacture of stairs; sale of stairs; research and development of new material technologies; manufacture of new building materials (excluding hazardous chemicals); sale of building materials; engineering management services; manufacture of non-metallic mineral products; sale of non-metallic minerals and products; leasing services (excluding licensed leasing services); leasing of construction machinery and equipment; engineering and technical research and experimental development; manufacture of molds; sale of molds; processing of building stone; general cargo warehousing services (excluding hazardous chemicals and other items requiring licensing approval); external contracting of projects; import and export agency; import and export of goods; import and export of technology; sale of metal products; sale of photovoltaic equipment and components; operation of electric vehicle charging infrastructure; centralized fast-charging stations; sale of motor vehicle charging services. (Except for items that require approval according to law, business activities may be carried out independently with the business license.) Licensed items: construction project execution; specialized construction operations; manufacture of protective equipment for civil air defense projects; sale of protective equipment for civil air defense projects; production of prestressed concrete simply supported railway bridge beams; construction project design; road freight transport (excluding dangerous goods); disposal of urban construction waste (removal and transportation); subcontracting of construction labor services. (For items that require approval according to law, business activities may only be carried out after approval by relevant departments; specific business items shall be subject to the approval documents or permits issued by relevant departments.)