1.PET bottle preform mold(CE): 2.2738 for core, P20 for base. ... ,000,000 time. 4.CE ISO9001 PET preform mold, injection preform mold, preform moldMaterial2738 for core, P20 for base. ... HRC48-51, mold life: 3,000,000 times, 4-72cav, hot ... hot runner design assures uniform heating and improves the plastic product quality greatly;5. High efficiency is attained with ...