Mr. Liu,We are in Auto Spare Parts business since 1960 in Karachi, Pakistan. We deal in Genuine, OEM & Replacement Brand Parts for Japan diesel Truck/Bus HINO, ISUZU, NISSAN DIESEL, MITSUBISHI & others. Please confirm if you can supply us OEM quality, finish Piston, Liner, Liner Kit, Piston Ring Set, Engine Valves, Gaskets etc. Please confirm your Brand name. Can you also make as per customer required Brand name. PLease reply us by early, so that we can send our customer enquiry.Thanks & best regards.