1. Computer and its auxiliary facilities: such as printer parts, magnetic core, firing pin shaft pin, drive parts;
2. Tools: such as drill, cutter head, nozzle, gun drill, spiral milling cutter, punch, socket, wrench, electrical tools, hand tools, etc.;
3. Household appliances: such as watch case, watch chain, electric toothbrush, scissors, fan, golf ball head, jewelry chain link, ballpoint pen clamp, cutting tool head and other parts;
4. Parts for medical machinery: such as orthodontic frame, scissors, tweezers;
5. Military parts: missile tail, gun parts, warheads, drug cover, credit parts;
6. Electrical parts: electronic packaging, micro motor, electronic parts, sensor parts;
7. Mechanical parts: such as cotton looser, textile machine, flanging machine, office machinery, etc.
8. Automotive and Marine parts: such as clutch inner ring, fork sleeve, distributor sleeve, valve guide, synchronous hub, airbag parts, etc.