
Nippon Steel & Sumikin Hardfacing Co., Ltd.Tokyo-to, Japan

Shanghai Fanglong Steel Material Co. Ltd.

Jiangsu Hengxin Norking Technology Co., Ltd.Jiangsu Sheng, China

Beijing Yingsheng Hengtai Technology Co., Ltd.

Foshan Ruijiatu Medical Technology Co., Ltd.Guangdong Sheng, China

Zhejiang Donghua Electric Appliances Co. Ltd.

Volfoni R&DUnited States

Shanxi Transportation New Technology Development Co., Ltd.Shanxi Sheng, China

Aipei Instrument Measuring Equipment Co., Ltd.

Hangzhou Jiekang Pharmaceutical Co., Ltd.

MBit Wireless Inc.California, United States

Beijing Weilanshi Technology Co., Ltd.