... : product design, mould design, mould manufacture, injection/moulding Mould steel: P20,718,718H,2738,2316,S136(option) Cooling system;the ... .hardness treatment:tempering the material in order to harden the steel;nitrided Final finish: chrome paiting (option); All tools will ... lamp mould, auto bumper mould, auto part mould and car interior or exterior parts mould. Our market covering South America, the ...