... color as customers require 3.Surface treatment:Spray paint,printing Shoes Air Cushion,Air bladder,Air-sole,shoe parts & accessory, ... upper, canvas upper printing, high frenquncy welding) · Outsole (sport shoes outsole, leather shoes outsole,fishing wader outsole,etc.) · Insole (sport insole, EVA ... : · Plastic injection mould, · Plastic blowing mould, · Copper mould. Air bladder for shoes(air cushion)