About Glass Bottle neck ring Glass bottle neck ring used for making glass bottle neck MOQ : 20 Units Glass Bottle neck ring Specification Life Span : 1000000 cycles Molding Material : Glass Mold Base : Standard mold base Cavity : Double cavity Shaping Mode : Injection molding Material : High-alloy steel Tolerance : 0.01 mm Mould Weight : 25 kg Mould Life : Up to 10 years Glass Bottle neck ring Trade Information Minimum Order Quantity : 20 Units Average Load Time : 3-5 minutes