Sales: medical equipment, labor insurance supplies, daily masks (non-medical), Wujinjiaodian, chemical products (excluding dangerous goods), lubricants, metallic materials, non-metallic materials, biomass pellet fuel, automat

Sales: medical equipment, labor insurance supplies, daily masks (non-medical), Wujinjiaodian, chemical products (excluding dangerous goods), lubricants, metallic materials, non-metallic materials, biomass pellet fuel, automat

Sales: medical equipment, labor insurance supplies, daily masks (non-medical), Wujinjiaodian, chemical products (excluding dangerous goods), lubricants, metallic materials, non-metallic materials, biomass pellet fuel, automat

Sales: medical equipment, labor insurance supplies, daily masks (non-medical), Wujinjiaodian, chemical products (excluding dangerous goods), lubricants, metallic materials, non-metallic materials, biomass pellet fuel, automat

Sales: medical equipment, labor insurance supplies, daily masks (non-medical), Wujinjiaodian, chemical products (excluding dangerous goods), lubricants, metallic materials, non-metallic materials, biomass pellet fuel, automat

General items: technical service, technology development, technology consultation, technology exchange, technology transfer, technology promotion;Import and export of goods;Sales of chemical products (excluding licensed chemical products);Food business (selling prepackaged food);Hardware products retail;Building materials sales;Metal material sales;Mechanical equipment sales;Power electronic components sales;Electrical mechanical equipment sales;Electrical equipment sales;Sales of micro-special motors and components;Electronic special equipment sales;Edible agricultural products retail;Daily necessities sales;Auto parts retail;Railway locomotive and vehicle parts sales;Railway transportation equipment sales;Railway transportation infrastructure equipment sales;Railway special measurement or inspection equipment sales;Clothing and apparel retail;Shoes and hats retail;Computer hardware and software and auxiliary equipment retail;Needle textile sales;Retail of arts and crafts and collecti

Matters related to welding, including welding materials, welding equipment (including special welding machine customization), sales of metal materials, undertaking of welding and related projects, welding technical services, welding personnel training, etc

Matters related to welding, including welding materials, welding equipment (including special welding machine customization), sales of metal materials, undertaking of welding and related projects, welding technical services, welding personnel training, etc

Matters related to welding, including welding materials, welding equipment (including special welding machine customization), sales of metal materials, undertaking of welding and related projects, welding technical services, welding personnel training, etc

Manufacturing and sales of high, medium and low pressure valves, casing parts and parts; operating goods and technology import and export; hardware tools, mechanical and electronic equipment and accessories, abrasive tools, pipes, steel, rubber products, wires and cables, electronic products, instrumentation, Sales of metal materials, plastic products, auto parts, high and low voltage electrical appliances, pumps, castings, large castings and forgings; solar power generation. Fluid equipment testing, maintenance and technical consulting services; mechanical and electrical equipment, valve industrial automation equipment manufacturing, testing and maintenance. (Projects that are subject to approval in accordance with the law can be operated only after being approved by relevant departments.)

Develop, develop, produce and sell petroleum drilling tools products and accessories, down-the-hole drill bits and impactors, and other drilling and production tools, and provide mechanical processing and heat treatment services, technical consulting, technical services, product leasing services, and goods Import and export, technology import and export.

Carbon product production, petroleum coke purchase and storage, sodium carbonate sales, goods or technology import and export business (except for the prohibition of national laws and administrative regulations; national laws and administrative regulations restrict operations before obtaining a license), sales of various Flanges, elbows, pipe fittings, hardware labor insurance, steel, chemical products (excluding hazardous chemicals) (items subject to approval in accordance with the law, business activities can only be carried out after approval by relevant departments)**