... · Shoe upper (slipper upper, canvas upper printing, high frenquncy welding) · Outsole (sport shoes outsole, leather shoes outsole,fishing wader ... · Insole (sport insole, EVA insole, gel insole, health insole) · Shank, heel, charms.• Other plastic parts: · Electronic accessories, · Fitness equipment ... injection mould, · Plastic blowing mould, · Copper mould. High frequency welding for shoe upper