国产毛片不卡-国产毛片精品-国产毛片精品高清一区二区-国产毛片精品一区二区色-国产毛片久久久久久国产毛片-国产毛片久久久久久蜜臂媒

1.In September 2014, the company will send some of the instrument to the National Electrical Instrument Quality Supervision and Inspection Center in accordance with the "GB / T7676-98" requirements, the full performance test test; inspection of the instrument are: frequency table, power factor meter , Active power meter;

2. 10 months passed the National Electrical Instrument Quality Supervision and Inspection Center of the full performance test. Test proved that the company test instrument quality in line with GB / T7676-98 requirements.