Basic Feature of Piston: Long lasting and reliable working lifetime; Competitive price, superior quality; ... , MAHLER138, MAHLER142, etc. B)Technology: Tinning, phosphating treatment, anodic treatment, graphite printing, inner cooling oil channel, pin-hole bushing, steel patch ... insert, pin hole of special shapes, separated piston, casting iron piston, ect. C)Payment terms: T/T, L/C Remark ...