Honed Tube, Chrome Plated Bar, Chrome Bar manufacturer / supplier in China, offering Factory Supply Q355b Skived and Roller Burnished Honed Tube for Heavy-Duty Cylinder Barrel, 4140 St52 Ck45 High-Strength Hard Chrome Plated Bar Tolerance F7 G6 Quenched and Tempered Piston Rod, Ck45 SAE1045 St52 E355 Induction and Hardened Hard Chrome Plated Bar Precision Hydraulic Cylinder Rod Piston Rod and so on.