
Sichuan Micolon Vacuum New Material Co., Ltd.

Ji'an Yisheng Electronic Materials Co., Ltd.

Polygroup Macau Ltd BVI

Shang Hai Qiang Jing Jin Shu Zhi Pin You Xian Gong SiShanghai Shi, China

Jiangxi Hangtong Electric Technology Co., Ltd.

Harbin Haguo Valve Co. Ltd.Heilongjiang Sheng, China

Mipro Electronics Co LtdUnited States

TIANJIN 3D IMAGING TECHNIQUE CO.,LTD.

Chengdu Zhongan Electric Co., Ltd.

Guangdong Gaoweijing Technology Co. Ltd.

Ningxia Zhengdeyuan Technology Development Co., Ltd.

Guangzhou Manborui Material Technology Co., Ltd.