Hardware connection pipe fittingsinclude:

1. Mechanical hardware: fasteners, rolling bearings, belts and chains, lubricating parts, keys and splines, keys and splines, welding equipment, lifting equipment, etc.;

2. Building hardware: building profiles and structural parts, building doors and windows and their hardware accessories, nails and nets, plumbing equipment, fire fighting equipment and automatic fire alarm devices, etc.;

3. Electrical hardware: general-purpose wires and cables, buttons and switches, relay contactors, electromagnetic starters and electromagnets, fuses, circuit breakers and leakage protectors, control transformers and signal lights, AC motors, electrical instruments, etc.;

4. Hardware tools: hand tools, civil engineering tools, plumbing tools, decorative engineering hand tools, electrical tools, cutting tools, measuring tools, power tools, pneumatic tools, gardening tools, etc.;

5. Hardware materials: steel materials, non-ferrous metal materials, non-metal materials, steel, etc.;

6. Hardware machinery equipment: machine tools, pumps, valves, food machinery, instrumentation processing, packaging material manufacturing;

7. Hardware products: alloys, metal processing materials, ordinary steel materials, stainless steel materials, metal wires, ropes, metal nets, scrap metals;

8. General accessories: fasteners, bearings, springs, seals, rigging, gears, molds, abrasive tools;

9. Hand tools: daily tools, grinding, hydraulic, lifting, measuring, saw, hammer, screwdriver, wrench, electric, manual;

10. Construction hardware: pneumatics, doors and windows, pipe fittings, kitchens, lamps, sanitary ware, locks, construction, building materials, coatings;

11. Electronic and electrician: low-voltage electrical appliances, instrumentation, chargers, motors, connectors, anti-static, cables, insulating materials, electronic materials.