SKYWEL produce PISTON RINGS for most of Main and Auxiliary engines such as ABC, AKASAKA, ALCO, ALLEN, ANSALDO, ATLAS, BAUDOUIN, BERGEN,BLACK STONE, BRITISH, BRONX, COCKERILL, CROSSLEY, DAIHATSU, DEUTZ, DUVANT, FIAT,KOMATSU,MAK,MAN B&W, MTU, HANSHIN, NIIGATA, PIELSTICK, SULZER, SKODA, SKL, WARTSILA,YANMAR etc. We can also make custom requested piston rings according to the drawings or samples.SKYWEL always move on the new improvement and application on MARINE PISTON RING TECHNOLOGY.