EPS EPP mold gas vent aluminum core vents holes size 0.2-0.8mm
EPS EPP mold gas vents, aluminum core vent holes type, holes could be 0.2-0.8mm, dia6, 8, 10, 12 on sale~~ www.sarimetaltreat.com #EPSaluminummoldvents #EPSgasvent #aluminumgasvents #moldgascorevent