Shanxi

Yangquan Coal Industry Group: First Mine, Second Mine, Third Mine, Fifth Mine, Xinyuan, Xinjing, Xindadi, Pingshu, Kaiyuan, Hongxia First Construction, Yunyu, Taichang, Sijiazhuang, Changgou, Huozhou Coal Power, Fenxi Zijin Coal Industry, Jiexiu Zhengyi Mine, Changzhi Xiangyuan, Jincheng Dongfeng Coal Mine, Taiyuan Xiyu, Yu County Xingyu Mine, Yu County Dongping Mine, Pingding Xingyu Mine, Linfen Huahong Mine, Taiyuan Coal Gasification Shenzhou Coal Industry, Meiyun Shengping, Coking Coal Pianguan, Yuci Beishan, Lu'an Wuyang Mine

Ningxia

Hongliu Mine of Ningxia Coal Group

Shaanxi

Shaanxi Hengyi and Shaanxi Huangling Mine

Gansu

Lanzhou Agan Coal Industry, Gansu Huating, Gansu Yaojie

Shandong

Huaheng Coal Industry of Shandong Energy Group

Anhui

Lan County Changheng of Wanbei Coal Industry, Huainan Mining

Heilongjiang

Shuangyashan Coal Mine Bureau

Henan

Zhengzhou Coal Industry (Group) Co., Ltd.

Using Unit

Jincheng Dongfeng Coal Mine

Installation Site

Main inclined shaft frequency converter ZJT-250G/660

Installation Time

2013.5

Operation Period

32 months

Supply Transformer Model

   TDA-750-152 (220/36)

Using Unit

First Mine of Yangquan Coal Industry Group

Installation Site

Belt Way Frequency Converter ZJT-400/1140

Installation Time

2013.7

Operation Period

18 months

Supply Transformer Model

   TDA-480-1140 (220/36)

Using Unit

Gansu Huating

Installation Site

Frequency Converter ZJT-250/1140 of the Coal Dressing Plant

Installation Time

2014.11

Operation eriod

3 months

Supply Transformer Model

   TDA-300-1140 (220/36)

Using Unit

Xinjing of Yangquan Coal Industry Group

Installation Site

3105 Working Surface Frequency Converter ZJT-400/1140

Installation Time

2014.9

Operation Period

5 months

Supply Transformer Model

TDA-300-1140 (220/36)

Using Unit

Lan County Changheng Coal Coke

Installation Time

2015.2

Installation Site

Frequency Converter ZJT-400/1140 of Lan County Changheng Coal Coke

Operation Period

16 months

Supply Transformer Model

TDA-300-1140 (220/36)

Using Unit

Huaheng Coal Industry

Installation Site

Main Lifting Frequency Converter ZJT-500/1140

Installation Time

2015.7

Supply Transformer Model

     TDA-900-1140 (220/36)

Annual Number of Operating Days

       340 days

Using Unit

Xinjing Mine

Installation Site

Production Slip SGZ880/800

Installation Time

10/5/2014

TDA-900-1140 (220/36)

TDA-900-1140 (220/36)

Accumulative Number of Operating Days

200 days