Product Description 1) PET preform mould-A It\'s the classic PET perform mould with pneumatic valve gate system. -Cavity and core steel: S136H stainless steel, tempered with HRC55+/-2. -The plate of the mould: P20 with precision grinding machine with each plate thickness tolerance 0.015mm for a plate size 500x500x400mm. With HRC32-35 -Optimal cooling design and all the cooling system are Nickel plated. -All the components can be interchangable which express the high-tech or the sparts. -Mirror hand polishing for the core and cavity. -Adopted on the Turopean valve gate and hot runner system and technology. -Adopted temperature controller. -Can guarantee for 1000,000 shot times. 2) PET preform mould-B (the second grade) -Adjustable automatic-lock system -Cavity and core steel: 2316 stainless steel, tempered with HRC53+/-2. -Mould base steel use: P20 with precision grinding machine with each plate thickness tolerance 0.015mm for a plate , with HRC32-35. -Optimal cooling design and all the cooling system are Nickel plated. -Mirror hand polishing for the core and cavity. -Can make Max. 48 cavities currently. -Can guarantee for 1000,000 shot times running. 3)PET preform mould-B (the third grade) -Cavity and core steel:P20 stainless steel,tempered with HRC32-38 -Plate A and plate B steel: 45#stainless steel and Nickel plated.HRC27-28. -Can guarantee for 1000,000 shot times running