
Excellent oxygen environmental technology (Nantong) Co., Ltd.Jiangsu Sheng, China

Jiangsu Jiulian Electric Technology Co., Ltd.Jiangsu Sheng, China

Wuhan Disai New Materials Co., Ltd.Hubei Sheng, China

Shanghai Huanxun Industrial Co., Ltd.Shanghai Shi, China

Langh Patents Oy Ab

Fengying Technology Co., Ltd.Beijing Shi, China

Nanjing Liuhe Jiayuan Mining Equipment Co., Ltd.Jiangsu Sheng, China

Shenzhen MGI Technology Co., Ltd.Guangdong Sheng, China

Qingdao Haier Innovation Technology Co., Ltd.

Shenzhen Xinkong Semiconductor Technology Co., Ltd.

Shenzhen Yaode Technology Co., Ltd.Guangdong Sheng, China

Chih Wen Cheng,