Wuhan Huaying Electric Power Tech & Science Co., Ltd., founded in 1997, is engaged in the designing, manufacturing and selling of electric testing equipment. Our products include HV testing instrument, transformer test set, relay test set, circuit breaker test set, CT/PT test set, cable test set, power plant test set, HV meter, signal recorder, etc. They are abroad used in electric power, energy, metallurgical, chemical, mining industries. We have obtained the ISO9001 quality system ...