48 Cavities PET Preform Mold 1) 1 - 48 cavities. 2) advanced structure is designed referring to european preform molds. 3) mold cavities and core are made of steel with fine polishing, high hardness and Corrosion resistance for high precision and good quality. 4) pneumatic driven nozzle pin for simultaneous high-speed open and close actions. 5) patented design for rectifying system to lessen possible preform thickness. 6)specially designed water hoses eliminate leakage. 7) mold flow analysis reduces aa level. 8) long usage life: over 2, 500, 000 times of injection cycles.