In July 6, 2013, technical seminar held power network was held in Shanghai Everbright Convention & Exhibition center. As the only one to have the technical capacity of R & D and production of high-end current probe, in this meeting shows the full range of high-frequency current probe and pressure difference sensor products, are demonstrated, and on-site to answer customer consultation about switching power supply voltage and current testing problem, by the broad masses of Power Engineer welcome. Thanks to the power network and the Shanghai customer support to our company! Our company will thank everyone for the support to the excellent products and good service!