... Surface Treatment:Polishing\ treatment Some detail of the Plastic injection Mould: Name DescriptionCore MaterialS136, P20, 718H ... , 2738 , NAK80 ,Plastic materialPE , PP, HDPE , PPR , PVC , PP , PS ... .↓7.Mass productionIf customers need mass production plastic products,We can offer.↓8.Delivery Delivery ... ) KunShan Grand precision mould parts in China