Can print award text or tamper-proof mark in the inner side according to customer's requirements. Shape dimension please refer to product specifications. Technical requirement can meet GB/T13521-92
1.Burr,defect and crack are not allowed. Must not be stained with dirt 2.pattern clear,trademark and text must be correct. 3.Allowable tolerance of pattern:¡Ü1mm 4.No rust stain except(cutting edge) after 30 minutes of Copper sulphate testing. 5.Instantaneous pressure¡Ý800KPa 6.Continuous resistance to carbon dioxide leakage¡Ü5% 7.Gasket non-toxic no odor,flat and complete without any broken,no foreign material,and firmly bonded with the cap
