Xuanhua 140 unilateral rollers

Jining City, five Chong Machinery Co., Ltd. is a professional manufacturer of bulldozers, excavators, crawler cranes and other chassis parts manufacturers. Product support: (sd) Shantui, (KOMATSU) Komatsu, (HITACHI) Hitachi, (CATERPILLAR) Carter, (KOBELCO) Kobelco, (DAEWOO) Daewoo, Hill redevelopment machine and other construction machinery. Its roller, guide wheel, supporting wheels, wheel, track link, bucket, bucket teeth, knife blade angle, sets the frame, up tight cylinder assembly, tension springs, track assembly, track shoe, tensioner means Shantui chains, bolts and nuts, Shantui special oil consumables. Products with forging, precision casting, processing, welding, heat treatment and other specialized production processes, (1 wheel: The good hardenability materials have been forged 40Mn2 round; quenching + IF surface hardening heat treatment, surface hardness HRC52-60, hardened layer depth of up to 8-20mm, ensure its strength and wear resistance .2 shaft: use 50Mn round material, quenched + IF surface hardening heat treatment, surface hardness HRC52-60, case depth up to 3-6mm, good overall performance .3 floating oil: high chrome molybdenum alloy high hardness HRC65-72, working surface roughness of 0.1μm-0.2μm.4, O-ring: use of butadiene and acrylonitrile by copolymerization of nitrile rubber as raw materials made with better oil resistance and heat resistance.) The Company of "quality first. management first. reputation first" principle and dedication to meet our customers' needs . Welcome to the new and old customers to inquire. If demand please contact the following: Yang Dai 13371226477