Speaker moulds/ moulds for plastic products International design and quality complete machine equipments Dongguan Qiangyuhui Rubber & Plastic Product Factory1 Mould Base Standard ... DIN-1,S130, 2344,738H,718,8407,S136,NAK80,P20,KD-61,NIMAX ect ;3 Hardness of the steel ... Specialize in design and the manufacture of Plastic Injection Mould and tooling for Automotive, Electronic equipment,Medical Products, ...