Detailed Product Description plastic bottle caps made by plastic injection mouldhot runnerhigh quality mould steelISO9001 certificated mold companyMold/mould steel:P20,P20H,H13,S136,718,etc...Mold injection system: Cold runner/Hot runnerMold/mould type:Double color injection mold,insert mold,solid mold,mold with slides,mold with lifters,etc...