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· China Railway 11th Bureau uses ES3000 grounding resistance m 2018/07/31
· Zhengneng Technology won the title of Guangdong Provincial C 2018/07/31
· 2014 Spring Festival holiday notice 2018/07/31
· 2015 Spring Festival holiday notice 2018/07/31
· ES1001 high voltage clamp ammeter officially put into produc 2018/07/31
· Guangzhou Zhengneng Electronic Technology Co., Ltd. WeChat p 2018/07/31
· China Southern Power Grid Guangdong Branch uses ES1001 wirel 2018/07/31
· Southern Power Grid Power Supply Bureau uses ES3001 soil res 2018/07/31
· Shenzhen Foxconn branch uses ES2010E phase voltammeter 2018/07/31
· Invited to go to Guangxi Nanning Lightning Protection Center 2018/07/31
· 2016 New Year's Day and Spring Festival holiday notice 2018/07/31
· 2016 "May 1" Labor Day holiday notice 2018/07/31
· ES3050 digital DC resistance tester (0.0001Ω~30.00KΩ) offici 2018/07/31
· 2016 Dragon Boat Festival holiday notice 2018/07/31
· Congratulations to Guangzhou Zhengneng Electronic Technology 2018/07/31
· Invited to provide the grounding resistance tester after-sal 2018/07/31
· Invited to China Railway Second Bureau to provide after-sale 2018/07/31
· Invited by State Grid Wuhan Electric Power Company to provid 2018/07/31
· 2016 National Day holiday notice 2018/07/31
· On November 27, 2016, with great successthe for participated 2018/07/31

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