mold standard component,Air poppet valve: 1.Mat: Sus420; Hardness: ... Type:8mm,10mm,12mm,16mm,20mm 3.Good factory price mold standard component,Air poppet valve:This type of air ... control the operation and the final products can leave the mold instantly;4.Air poppet valves are made from stainess steels ... resolve the problems for molds design and injection troubles.: mold standard component,Precision ...