
Guangxi Wufeng Machinery Co., Ltd.

YIT Suomi Oy

Guangdong No. 5 Construction Engineering Co. Ltd.Guangdong Sheng, China

Merck Patent GmbHHessen, Germany

Seohan F & C Co. Ltd.

China Railway Shanghai Engineering Bureau Group Fourth Engineering Co., Ltd.Tianjin Shi, China

Jining Normal UniversityNei Mongol Zizhiqu, China

Wutai Yunhai Magnesium Industrial Co. Ltd.

J D Metal Industrial Shenzhen Co. Ltd.Guangdong Sheng, China

Reynolds Corp.

Shenzhen Jiazhihong Electronic Co. Ltd.

Chongqing Amber Tea Oil Co., Ltd.