This article details the advanced characteristics and production advantages of professionally designed PET preform moulds. Key highlights include: Design & Durability: The moulds are engineered using 3D CAD, constructed from durable alloy and stainless steel, and support customization for a wide range of containers like beverage and liquor bottles. Production Advantages: They incorporate advanced systems like double-lock pneumatic needle valves and multi-stage taper positioning to ensure consistent preform wall thickness and high-quality output, compatible with various injection molding machines. Technical Problem-Solving: A significant focus is placed on solving the common issue of gate whitening through robust mold design, precise temperature management, and optimized injection parameters to ensure superior product quality.