1. guangzhou cologne energy saving technology co., ltd. power supply guangzhou cologne energy saving technology co., ltd. was established in 1999. it is located in the nandamen city of china's beautiful, civilized and economically developed countries: guangzhou panyu, through 2 quality management system certification, there are more than 20 sales and service outlets nationwide, including the pearl river delta, yangtze river delta region, fujian, chongqing, hunan and hubei, tianjin, beijing and hebei, dalian, etc., and taiwan, southeast asia, africa, europe and other regions abroad. 30 real estate

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