Material: Eutectic Aluminum Alloy ZL109 AC8A KS1275 Mahle24 Zll08 SAE334 and over eutectic aluminum alloy AlSi18 AlSi21 AC98
Surface treatment: hard anode oxidization, tining, and surface oxidized, spraying graphite and etc.
Product type: inserted abrasion-resistand ring, inserted anti-expansion steel piston, cast internal cooling oil circuit, porcelain composited material and non-conventional pinhole.
Payment:T/T, L/C at sight