1. Electronics/Electrical Industry: Semiconductor components (such as silicon wafers, integrated circuits), various high and low voltage electrical appliances (such as relays, switches, circuit boards, potentiometers, etc.), various motors, compressors, various electrical components, vacuum devices, etc.
2. Optics, Optoelectronics, Photovoltaic Industry: Optical glass and components, Optoelectronic glass and components, Photovoltaic glass and components, etc.
3. Automotive/Engineering Machinery/Locomotive Industry: Engine components (such as cylinder block, cylinder liner, valve body, piston, piston ring, valve, etc.), ignition bolts, brake pumps, steering gear, shock absorbers, various precision components, etc.
4. Aircraft industry: engine components, various accessories, fuel oil filters, fuel metering instruments, injection nozzles, rotary wings, flow control devices, parts for mechanical control devices, wheels, various precision components, etc.
5. Glasses, Watch Industry, Gem Processing Industry: Glasses, glasses frames, watches, lenses, gemstones, precious metal decorations, jewelry, various precision parts.
6. Rubber industry: gloves, straps, white tires, surgical rubber products, rubber formed metal/ceramic molds, etc.
7. Brewing/pharmaceutical industry: bottles, lids, label removal devices, exhaust devices, processing vessels, processing equipment, filling device pipelines, etc.
8. Printing/plate making industry: rotary machines, metal plates, lead type, mother and son, pharmaceutical small glass bottles, photo plates, metal chassis, etc.
9. Public power, gas, news and communication industries: various measuring instruments, power meters, lighting fixtures, insulation porcelain bottles, key components of communication equipment, etc.
10. Research institutes and other atomic energy industries: control rods, counting tubes, pumps, lead tubes, containers used in research institutes, glass spiral tubes, glass tubes, analytical specimens, eyepieces, etc.
11. Medical and research industries: surgical instruments, dental drills, dilators, esophagoscopes, bronchoscopes, proctoscopes, cystoscopes, pipettes, glass containers, syringes, sensors, test glass, etc.
12. Finance, Mint Industry: Stamps, Acceptance Number Brands, Coins, Porcelain, Gold/Silver Products, etc.
13. Machinery/tools/measuring tools/cutting tools industry: bearings, screws, nozzles, gears, fixtures, accessories for fixing devices, springs, drilling molds, bed bodies, valves, vernier calipers, files, various measuring tools, cutting tools, various mechanical parts, etc.