... as : XY (SHANDONG), NAN,KCL,DICO,DONGDONG,MIG, ROYAL GOLD, R.S. GOLD,RK PLUS,EXCEL,AMS,... Our main products include ... Sifang(Black & Tall), Silencer, CYLINDER HEAD, PISTON, PISTON RING, C.R.BEARING,CAM SHAFT,CON ROD, COPPER SHEATH,CRANK SHAFT,FULL ...