... more than 10 years.General Mold Specifications:Nameplastic storage box injection mouldmould materialP20,H718,H13,80# ,2738, NAK80, S136 ... experience, can produce household mould,auto parts mould, injection mould, blow moulding, household appliances mould, crate mould, industry mould, ... design to customer approval first, before move forward to production; we send samples to customer to confirm first.5. ...