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CNPC Exploration and Development Research Institute Langfang Branch

Xianghong Technology Co. Ltd.

Hebei Huabei Diesel Engine Co. Ltd.

isoloc Schwingungstechnik GmbH

Cavalet AB

Dongguan Mengtuo Intelligent Technology Co., Ltd.

Common Technology Development Co., Ltd.

Sang-ok Kim

Changxing Hongbo Textile Co. Ltd.

Sectra Imtec AB

Zhejiang Dandy Kitchen Utensils Co. Ltd.Zhejiang Sheng, China