... Head 1.Used for hydraulic cylinder 2.Material: stainless steel, SS2172,ST52 3.Piston guage:M75*2 Hydraulic Cylinder Piston Parts Details: ... farm machinery, construction machinery, transportation parts and so on.2). All seals are manufactured to US specification.3). Piston ... history and are licensed to export, providing competitive price. 2. Factory with about 200 workers and 40 seniors, equipped ...