
Zhejiang Langtelong Optoelectronics Co., Ltd.

Yangzhou Heqi Metal Products Co., Ltd.

Changle Lizhi Product Design Co., Ltd.

Jiangsu Xingchen Environmental Protection Group Co., Ltd.

ST1 Biofuels OY

Kunshan AUMA Thermal Engineering Technology Co., Ltd

Gierre SRLLombardia, Italy

Zhejiang Yaxing Fibre Co. Ltd.

Shenzhen Xinjiaodu Technology Development Co., Ltd.

Al-Ko Air Technology Suzhou Co. Ltd.

Shenzhen Ruiwei Engineering Co., Ltd.

Shanghai Liuyuan Crystal Product Co. Ltd.