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              Detailed information

              Product performance test capability

                   We have the capability of durability test, such as initial sealing test/dust test/muddy water test/opening force test/ pull out force / cleanseness /seal lip following performance (eccentric resistance test )/holding force /pumping force test /Leakage rate for VSS /Air leakage test /thermal recycle


              Copyright: Qingdao Changyu Group   魯ICP備19047741號