
Qingdao Huakong Energy Technology Co. Ltd.Shandong Sheng, China

Suzhou Landian Industrial Technology Co., Ltd.Jiangsu Sheng, China

Eui-keun Kim

Sichuan Yibin Huibao Food Co. Ltd.Sichuan Sheng, China

Yancheng Wanfulong Machinery Manufacturing Co.,Ltd.Jiangsu Sheng, China

Lanzhou Huahui Instrument Technology Co., Ltd.Gansu Sheng, China

Guangdong Konidi Home Hardware Co., Ltd.Guangdong Sheng, China

Hefei Zhongya Environmental Protection Technology Co., Ltd.Anhui Sheng, China

Mobile Drilling Co., Inc.United States

Sinopec Jianghan Petroleum Administration Bureau Petroleum Machinery Research Institute

Pin Neng Guang Dian Ji Shu Shang Hai You Xian Gong SiShanghai Shi, China

Jiangsu Hualing Electromechanical Technology Co., Ltd.Jiangsu Sheng, China