Knowledge

1. Lighting 2, Solar reflector 3, building appearance 4, interior decoration: ceiling, wall, such as 5, furniture, cabinets 6, Elevator 7, signs, nameplates, bags 8, car interior and exterior decoration 9. Indoor decorations: such as photo frame 10, household appliances: refrigerator, microwave oven, Audio equipment, etc. 11. Aerospace and military aspects, such as China's large aircraft manufacturing, Shenzhou spacecraft series, satellites and so on. 12, mechanical parts processing 13, mold manufacturing 14, chemical/insulation pipe cladding. 15, high-quality ship board