1) 90% casting part for export. 2) Strong R&D team. 3) High quality ... and notes on the drawing that specify.3.Software for drawing is Solidworks,CAD,PDF,UG,Pro/E.4 ... precision produces a range of hydraulic cylinders and castings. For the castings the company uses state of the art ... at CT3-5 and surface roughness Ra3.2μm. For the hydraulic cylinder production foreign advanced sealing package,high quality ...