... welcome. 3.plastic parts Plastic products,shoe parts.• Shoe parts: · Air cushion (air bag, air-sole) · Shoe upper (slipper upper, canvas upper printing ... , leather shoes outsole,fishing wader outsole,etc.) · Insole (sport insole, EVA insole, gel insole, health insole) · Shank, heel, charms.• Other plastic ... injection mould, · Plastic blowing mould, · Copper mould. High frequency welding for shoe upper