1.HINO H07C engine piston ring 2.OEM ... 4.material: nodular iron, cast iron ,steel ,alloy and etc(we can do as customers’ demand )5.surface ... treatment :polishing ,plating ,oxidation , phosphating and etc6.packing :as customers’ demand 7.We can develop new ... to cooperate with you ,pls contact us . Desire our cooperation ! Choose us , your best choice ! car logos with H07C piston ...