Shanghai Univer Technologies Co., Ltd

Jiangsu Hengqiang scaffolding and formwork Ltd

Shanghia PYTES Energy Co,LTD

Denair energy saving technology (Shanghai) Co., Ltd

Astera Manufacturing Limited

Guangzhou Huajing machine Manufacture Co.,Ltd

Changshu Longteng Special Steel Co., Ltd.

SHENZHEN TONGFANG ELECTRONIC NEW MATERIAL CO., LTD

Nitto Tools Co., Ltd.