... ROHS, SGS LSB has more than 3000 material formulations and 20,000 kinds of sealing components, the basic products are: ... -Temperature Test Bed, Aging Test, Thickness Meter, Shore-A Hardness Tester, Optical Projector.Production Equipments Rubber Preforming Machine, Rubber Injection Machine ... Temperature Test Bed, Aging Test, Thickness Meter, Shore-A Hardness Tester, Optical Projector 2012 ptfe oil ring