
Linzhou Fengbao Pipe Industry Co. Ltd.

Ningbo Zhenhai Ximen Patent Technology Development Co., Ltd.

Suzhou Medcoil Healthcare Co .,LtdJiangsu Sheng, China

Shenzhen Zhongke Precision Technology Co., LtdGuangdong Sheng, China

Grena Usa LLCUnited States

Ningxia Suxi Copper Technology Co., Ltd.Ningxia Huizi Zizhiqu, China

Sichuan Ruiyuan Energy Ring Technology Co., Ltd.Sichuan Sheng, China

Jiangsu Zhongheng Dyeing & Finishing Co. Ltd.

Dongguan Zhongyou Electronics Co. Ltd.Guangdong Sheng, China

Weatherford Switzerland Trading & Development GmbHZug, Switzerland

B.Braun Accelerator Collaboration ProgramHessen, Germany

Dongtai Huanghai Refractory Material Factory