Based on TSG D7002-2006 (Pressure Piping Components Type Test Regulation) and the relevant standards, our company carried out type test to the blocking tee with its model of PN6.3MPa-219-Q34 5RPN10MPa-711-Q3 45R in the National Supervising and Testing Center for the Quality of Instruments and Components in January 2014, the test results met the enterprise standard of our company; we also obtained the type test certificate.