
China Gezhouba Group Municipal Engineering Co., Ltd.

Beijing Ruisida Chemical Equipment Co., Ltd.

King Tony Tools Co. Ltd.

Dongguan Aitan Hardware Technology Co., Ltd.

Artech GmbH Design & Production in Plastic

Beijing Anku Zhixin Technology Co., Ltd.

Xinxiang Kangda Disinfection Ji Co. Ltd.

Yingkou Dongji Technology (Group) Co., Ltd.

Shandong Zhongkai Heavy Industry Group Co. Ltd.

Qixiaobai (Shenzhen) Technology Co., Ltd.

Shenzhen Jiezhi Tiancheng Technology Co., Ltd.

Schlumberger Holdings Ltd.