Manufacture of fasteners; General equipment manufacturing (excluding special equipment); Industrial automatic control systems; Marine auxiliary equipment; General mechanical parts; Mining machinery; Forgings and powder metallurgy products.

Manufacture of rubber products, plastic products, power facility equipment, photovoltaic equipment and components, metal products, construction metal fittings, railway vehicle parts.

Sales of fasteners, valves, metal products, mechanical and electrical equipment, labor protection supplies, hardware, metal structures, wire ropes.

General machinery installation, metal cutting, spraying processing, machinery leasing.

Import and export of goods.