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,