
Hengestone Holdings, Inc.

ZHEJIANG TUOHUA NEW ENERGYCO.,LTD.Zhejiang Sheng, China

WENZHOU WANYU PLASTIC CO.,LTD.Zhejiang Sheng, China

Drum Workshop, Inc.California, United States

Fuzhou Tianrui Wire Saw Technology Co., Ltd.

Rosin Chemical Wuping Co. Ltd.Fujian Sheng, China

Junzhan Enterprise Co., Ltd

Hunan Institute of Measurement and Testing

VITAL Innovations Ltd.United Kingdom

Shandong Chuanjun Chemical Co. Ltd.

Beijing Singu Keller Automotive Cold Forming Parts Co., Ltd.Beijing Shi, China

Bitumen Applied Research Ltd.