1.The mould use the ice water to cool and recycle, which can promote the efficiency of moulding 2.To make pc.pet helmet lens needs strong experience, especially for the polishing of mould lens surface 3.The mould cavity of PC.PET HELMET LENS MOULD is made of the imported S136 materials and treaded by chrome plating. To assure the polishing and wear resistance of products 4.The moulding runner should pour via sides of trapezoid shape to avoid cool materials, with 95kgs pressure ,245 temperature and 20s for moulding time 5.The time for finishing mould is 60 days and the price is RMB 38,000