We can use any type of steel appointed by customer or popular in the market. Such as P20, 718, 8407, NAK80, H13, S136, DIN 1.2738, DIN 1.2344, etc. Normally we use the mould steel German 2738 to produce the plasitc injection mould with reliable lifecycle of min 500,000 shots. If customer has especialy request for the mould shots life and mould material or parts, please be free to tell us in advance when you send the enquiry.