1. Food and pharmaceutical industry (sterilization cabinets, vacuum packaging machines, powder filling and sealing, sterile isolators, airtight doors for cleanrooms, etc.)
2. Vacuum/precision equipment industry (vacuum chamber, vacuum coating machine, vacuum welding chamber, negative pressure chamber, laboratory cleanroom door, etc.)
3. Chemical industry/energy/metallurgy (pressure vessels, pipeline flanges, dust pipelines, high-temperature furnace doors, desulfurization and denitrification equipment...)
4. Packaging/logistics/warehousing (refrigerated vehicles/cold storage doors, rear doors of trucks, containers, packaging machine airlocks, side seals of conveyor belts, etc.)
5. Aviation/Rail Transit/Special Equipment (aircraft cabin doors, train doors, explosion-proof doors, firefighting equipment, large hatch covers, etc.)
6. Other general industrial products (various large double-door, sliding door, flange port, and irregular-shaped cabinets; powder/particle/liquid conveying pipeline valves; noise isolation rooms, soundproof doors, water treatment equipment, etc.)