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      1. xuchang changan technology Co., Ltd.

                    Xu Changchang Security Technology Co., Ltd. is specialized in producing electric power measurement and control instrumentation and automation equipment of high-tech companies. Products include multi-function power meters, power transmitter, temperature and humidity controller, voltage monitor, chronograph loss of pressure, voltage transducer, power accident bell, digital ammeter, signal transmitters, electricity transmission and more power , voltage meter, power meter, frequency meter, factor
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                Model:CA900E
                Size:96X96X80
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                Model:CAW-AAB4
                Size:94x41x24
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                Model:WK系列
                Size:48x48x90
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                Model:PZX-2000/32L
                Size:2260x800x600
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                Model:CAKJ-LVJJ20
                Size:110x176x95
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                Model:CAKJ-BLD200
                Size:176X110X125
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