The students visiting this time are juniors of mine equipment major. Led by Zhang Xuefeng, the general dispatcher and Gu Jianlin, the R&D department, students get close to 50JD Drilling Rig which is under assembly, have close eyes on the function of each part, rig up process, installation and commission and have a better understanding of the principle of rig design. Students ask many questions during their tour, the technicians of the company answer to them patiently to satisfy their interests on details. This educational visiting broadens the views of the students and help them new discovery and better understanding of manufacturing technology and process. (Hao Donglei)