Qingdao institute of special equipment inspection and testing. According to Qingdao local treasure, Qingdao pressure vessel certificate can go to Qingdao Special Equipment Inspection and Testing Institute, the address is Shandong Road 15, Shinan District, Qingdao. The examination center for special equipment operators set up by Qingdao Special Equipment Inspection and Testing Institute is one of the first examination institutions for special equipment operators in the province, which undertakes the examination for 37 project operators and special equipment welding operators in seven categories, including special equipment management, boilers, pressure vessels (including gas cylinders), pressure pipes, elevators, hoisting machinery, special motor vehicles and amusement facilities.