Special equipment manufacturing; road motor vehicle production; construction engineering construction; power generation business, transmission business, supply (distribution) business; civil air defense engineering protection equipment manufacturing; civil air defense engineering protection equipment sales. General items: technical services, technical development, technical consulting, technical exchange, technology transfer, technical promotion; special equipment manufacturing (excluding licensed special equipment manufacturing); industrial robot manufacturing; industrial robot sales; industrial design services; environmental protection special equipment manufacturing; environmental protection special equipment sales; mechanical equipment research and development; mechanical equipment sales; water resources special machinery equipment manufacturing; water environmental pollution prevention services; atmospheric environmental pollution prevention services; soil pollution control and remediation services; environmental monitoring special instrument and meter manufacturing; environmental monitoring special instrument and meter sales; ecological environment material sales; glass fiber and product manufacturing; glass fiber and product sales; security equipment manufacturing; security equipment sales; plastic product manufacturing; plastic product sales; container manufacturing; container sales; special equipment sales; hydraulic power machinery and component manufacturing; hydraulic power machinery and component sales; pneumatic power machinery and component manufacturing; pneumatic power machinery and component sales.