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32cavity Hot Runner Injection Plastic Pet Preform Mould. 32-Cavity Hot Runner Design: High-efficiency injection mold with hot runner system for PET preform production. Premium S136 Steel Material: Core, cavity, and screw neck made of durable S136 steel for long service life. Customizable Specifications: Customized neck sizes (28mm, 30mm, 38mm) and weight options available. Long Mold Lifespan: Designed for a lifespan of 5 million cycles for reliable high-volume production. Versatile Application: Suitable for water, beverage, edible oil, food, and pharmaceutical packaging. OEM/ODM Service: Professional OEM and ODM services supported by 2 R&D engineers.