series petroleum drill is in charge of a hydraulic press , applies to the petroleum steel tube , petroleum drill tube , drive transport the roller body tube , round bar steel , section steel adjustment and bending experiment. Have very strong General Availability, it is to increase pressure sensor , displacement sensor on the hydraulic press , the data collect, system sells a controller at reduced prices , the information coupling back the day afer tomorrow transfers to PLC by modulating a demodulator amplifier's, hereditary information of PLC demonstrates pressure , displacement and sampling diagram on touching a screen, grasp whose accurate numerical value by the fact that the printer provides the written data. The type has designed tubing mould semi-circle , has ensured that the tubing is had no defects such as pressure trace , scratch outside by school , may improve the tubing ellipse degree and