Qingzhou Longyue Hydraulic Machinery Co.,Ltd

Company Profile Qingzhou Longyue Hydraulic Machinery Co.,Ltd Qingzhou Longyue Hydraulic Machinery Co., Ltd, was found in 2004, we are mainly supplier of hydraulic cylinder manufacturer.

Hot Products

    • St52 Honed Tube

      St52 Honed Tube

      Specefication Standard: DIN2391, EN 10305, JIS G3445, ASTM A519, GB/T 8713… Material: ST45, ST52, E355, E355SR, STKM13C, SAE 1026, 20#, Q235B, CK45… Heat treatment: BK+S Specification: Out diameter: 20-800mm, Inner diameter: 40-250mm I.D Tolerance: H7-H8 Length: 3-13m (Customers usually choose the 4-5.8m) Straightness: 1/1000 ID roughness: RA 0.8-1.6 micron (max) Technology: Cold drawn Scope: Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application

    • Hydraulic Honed Tube

      Hydraulic Honed Tube

      Professional manufacturer of honed tube, founded in 2004, major in honed tube, hydraulic tube, chrome rod, chrome bar, chrome shaft, at present we are biggest manufacturer and wholesaler in north of China. Hydraulic honed tube Description Longyue's hydraulic honed tube is produced using our...