- Shanghai Joyal Mining Machinery Company
- Address:No.3389, East Huaxia Road, Pudong New Area, Shanghai, China ??? ??? 201201 China
- He Nan Vipeak Heavy Industry
- Address:NO.43,tongbai road Zhengzhou Henan China
- Yifei Machinery Parts CO.,Ltd.
- Address:Ningbo Yifei Machinery Parts Co., Ltd. Ningbo Zhejiang 315100 China
- Jiangxi Well-tech International Mining Equipment Co.,Ltd.
- Address:Guzhang Industrial Park Of Shicheng County, Ganzhou, Jiangxi, China Ganzhou Jiangxi 342700 China
- Zhengzhou Zhongbang Machine Engineering Co.,Ltd
- Address:zhengshang road No.385 Zhengzhou Henan 450052 China
- Hebei Shengzhi Drill Equipment Co.,Ltd.
- Address:Junziguan Business District Cangzhou Hebei 062450 China
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