
Luxembourg Patent Company SA

Wuhan Langdi Impeller Machinery Co., Ltd.Hubei Sheng, China

Eun-Young Choi,

Zhuhai Chaoqun Electronic Technology Co. Ltd.

Jiangxi Longtianyong Nonferrous Metal Co. Ltd.

Tianjin North Valve Control Equipment Co., Ltd.Tianjin Shi, China

Bazhou Huiyue Network Technology Co., Ltd.Hebei Sheng, China

Lanzhou Institute of Technology

Yantai Baoyuan Purification Co., Ltd.Shandong Sheng, China

Yuke Plastics Xiamen Co. Ltd.

Diffracto Ltd.Ontario, Canada

Yunnan Tengyun Information Industry Co., Ltd.Yunnan Sheng, China