
Tianjin Huayi Co., Ltd

Fischer & Honsel GmbH

Art Technology Co. Ltd.

S.S.I. Co., Ltd.

Dongwon Steel Co., Ltd.

Guangzhou Prosyn Biological Technology Co., Ltd.

Jiangsu Longda Machinery Equipment Co., Ltd.

Soltek Computer, Inc.

Shenzhen Bubujing Technology Co., Ltd.

Yixing Wanhua Flange Forging Co., Ltd.

DH Energy & Environment Corp.

Tianjin Medicine Group Zhongjian Kangda Medical Devices Co.,Ltd.