1) injection plastic spool mould design and making
2) spool mould material: 2738, NAK80, 718, 738H, 2344, S136, SKD61 etc.
3) mould base: LKM, HASCO, STIEHL etc.
4) mould life: 300,000-1,000,000 shots
5) mould layout with slide, ejector