SYSTESTERSike Testing provides packaging testing instruments for flexible packaging products, including gas permeability tester, oxygen permeability tester, differential pressure gas permeability tester, isobaric oxygen permeability tester, cup type water vapor permeability tester, electrolytic water vapor permeability analyzer, infrared water vapor permeability tester, mixed gas permeability tester, barrier tester, membrane separation testing analyzer, electronic tensile testing machine, flexible packaging tensile testing machine, friction coefficient tester, dynamic and static friction coefficient tester, surface smoothness tester, heat sealing tester, heat sealing strength tester, dart impact tester, sealing tester, high-precision film thickness gauge, torque tester, piston sliding test. Instrument, ampoule breaking force tester, rubber stopper puncture force tester, electrochemical aluminum peeling force tester Release paper peeling force tester, leakage and sealing strength tester, film puncture tester, elastic modulus tester, etc!