Testing of surface hardness layer

Quanzhou Klubo Heavy Industry Machinery Co., Ltd mainly supply track type undercarriage system replacement parts, including Track chains, Bottom rollers, Carrier roller Sprockets, Idlers, Sprocket/Rim, Track adjuster assy, Buckets, Bucket teeth and Adapters, and various Hydrocylinder, Pins,Shafts, Bushing, high-strength Track bolts&nuts, Gears and other mechanical products are widely used in Caterpillar, Komatsu, Hitachi, Kobelco, Sumitomo, Doosan Daewoo, Volvo and other world-renowned construction machinery aim to ensure total customer satisfaction by continually improving quality and value of “HOK“ Products and services. Continuous improvement is essential—in our products, our services, and our competitiveness. whatsapp: 8613159211907 email:@