Ua kev lag luam hauv kev kuaj thiab ntsuas seev thiab ntsuas.
Tsim tau nyob rau hauv 2006, nws yog kev lag luam siab ua haujlwm rau kev tshawb fawb thiab kev tsim kho, tsim khoom siv ntsuas thiab ntsuas cov khoom siv uas muaj feem xyuam.
Meruike interists ntawm kev hloov siab tshiab, thiab tau tsim thiab tsim kev nyab xeeb kev nyab xeeb, kev kho mob kev nyab xeeb kev cai,Ultra-siab voltage withstal voltage meters, Cov Kev Ntsuas Cov Tsheb High-voltage meters, DC cov tub ceev xwm tsis kam tiv thaiv, Ntse fais fab meters (fais fab meters), Cov Khoom Siv Hluav Taws Xob, ThiabHloov Khoom Siv Hluav Taws Xob.