COMPANY HAVE FULLY ABSORBED FOREIGN ADVANCED TECHNOLOGY AND EXPERIENCE IN PISTON RINGS BUSINESS MANAGEMENT,WITH ANNUAL OUTPUT CAPACITY OF 20 MILLION PIECES.AT PRESENT,WE POSSESS OF THE FIRST-CLASS MANUFACTURING ENVIRONMENT AND PRODUCTION EQUIPMENT IN CHINA,SUCH AS VERTICAL I.D&O.D. CAM TURING MACHINA,ENGINEERING SOFTWARE OF SWITZERLAND DIMACO COMPANY ETC. THE ADVANCED SURFACE TREATMENT TECHNOLOGY OF CHROMIUM,NITRIDING,PVD AND HIGH-GRADE RAW MATERIAL LIKE DUCTILE CAST IRON AND HEAT-RESISTANT STAINLESS STEEL AREWIDELY USING ON PRODUCTION.WE HAVE PRODUCED OVER 600 KINDS OF PISTON RING WITH DIAMETER BETWEEN 60MM-160MM.OUR MPSPRTM PISTON RING STRICTLY CHECKED BEFORE DISPATCH,AIMED AT MIDDLE AND HIGH-END MARKET,SOLD TO EUROPE,NORTH AMERICA,MID-EAST AND SOUTHEAST ASIAN ETC.