1.PET bottle preform mold(CE): 2.2738 for core, P20 for ... . 3.life: 3,000,000 time. 4.CE ISO9001 PET preform mold, injection preform mold, preform moldMaterial2738 for core, ... and cavity are made of imported nitrated steel in accordance with international standard;3. No cutting of gate is needed, ... plastic product quality greatly;5. High efficiency is attained with water cooling at normal temperature.