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Floating seal is used in the roller of construction machine and mining machine. 1. The features of our floating seals as follow: 1) Material: 15% Cr 3% Mo cast iron2) HRC: 65-723) Out Diameter: 50-865mm4) Life: over 4500 hours 5) Working face precision: less than 0.015um 6) Flatness: 0.1um-0.2 um; 7) Pressure: 1.0-1.7MPa/cm2 (max.) 8) Temperature range: -20-90 Degree 9) Circumferential speed: 3m/ sec (max). 10) Character: high hardness,wear resisting,anti dirty ability, corrosion resistant. 2. Adapt to the brand 1) Japan bulldozer (KOMATSU): D50, D60, D80, D85, D155, D355; American bulldozer (CATERPILLAR): D58, D60, D7G, D8K, D9L, D10H; 2) China's bulldozer such as SHANTUI, SHANGHAI, YELLOU RIVER, YISHAN AND QINGGONG; 3) Germany hydraulic excavator R902-R992, American CAT hydraulic excavators Japanese Komatsu hydraulic excavators; 4) Various loaders and land levelers, cranes, mixers, mining machines, etc. 3. Company introduction Established in 1986, JINHAI Machinery Parts Of Engineering & Mining Co., Ltd Located In Shilipu Industrial Estate, Xiong County. Baoding City, Hebei Province, China. Specialize in manufacturing and exporting floating seal (seal groups), used in machineries of engineering and mining, such as bulldozer, excavator etc. Our company is a professional manufacturer of various floating seal (seal groups), the outer diameter is from 50 to 865mm. The brand is JINHUA. Now we are supplying products to SHANTUI, HUANGHE, XUANGONG and many mining machinery customers. We also exports to other Asian countries, Europe, America, Africa etc. We use the saying of "never let unqualified products out" as our principle. 4. Contact information Sales manager: Bruce