Three-layer velvet cervical vertebra tractor, domestic and medical cervical vertebra air-inflation retractor, cervical gear

 Supply of LR2512 F 1% 0.001Ω 1mΩ alloy resistor

 Supply of transparent silica gel for stereoscopic crystal-cutting transparent silica gel

 Supply of soft magnetic material, material of fridge magnet

 Supply of KONISHI glue

 Horizontal type tension tester

 CJM320B light-duty lathe

 3W COB spot lamp, direct supply of 7W COB spot lamp