CELSA pressure gauge, CELSA ammeter, CELSA AC meter, CELSA DC table, CELSA multi-meter, CELSA isolation switch, CELSA converter, CELSA transformer, CELSA timer, CELSA power meter 
 General Machinery International Trading (Shanghai) Co., special agent in Germany CELSA gauge, CELSA AC meter, CELSA DC table, CELSA multi-meter, CELSA isolation switch, CELSA converter, CELSA transformer, CELSA timer, CELSA power meter, CELSA PM set-Meter, CELSA TNA set-Meter, CELSA measurement converter (transformer), CELSA meter with selector switch exchanges, CELSA power options isolation switch, CELSA moving iron AC ammeter, CELSA separate converter ( transformer), CELSA exchange meters wide, CELSA wide DC table, CELSA cumulative timer, CELSA motor protection with converter, CELSA real power (KW) table, CELSA phase sequence monitor, CELSA maximum demand indicator and so on.