... .piston ring characteristics:1)wear-resistant2)high temperature resistant3)reduce fuel consumption4)long working life4.Our piston ring model as follows ... , 6BD1, 6BB1, 4BB1, 6BF1, 6BG1, 6BG1MTC, 4BE1, 6BG1-TC, 4BG1, 6HE1, 6HE1, 4HE1, 4HF1, 12PA1, 4HG1, 4JH1, 10PC1, DH100,6SD1, 6SD1-T ...