... 4pcs preform can be moulded /cavity/mi 1mold /8cavity plastic household bottle cap moulding injection Material of cavity:718/2738/P20 ... , different kinds of oil cap mould, sport cap mould, cosmetic cap mould, wine cap mould2. mould material adopt imported P20 ... mould, mold, plastic mould, injection mould, preform mould, cap mould, lid mould, bottle cap mould, bottle lid mould, household mould and so ...