... shoe parts 1.Air cushion,shoe upper,heel,outsole,insole,charms,etc. 2.Customer`s designs are welcome. ... high frenquncy welding) · Outsole (sport shoes outsole, leather shoes outsole,fishing wader outsole,etc.) · Insole (sport insole, EVA insole, gel insole, health insole) · Shank, heel, charms,shock absorption ... mould, · Plastic blowing mould, · Copper mould. Oil bag, shock absorption pad in shoes