
Foshan Analyzer Co., Ltd.Guangdong Sheng, China

Nanjing Lvyuanda Agricultural Equipment Co., Ltd.

The Seventh Geological Brigade of Shandong Provincial Bureau of Geological and Mineral Exploration and Development (Shandong Seventh Geological and Mineral Exploration Institute)

Foshan Yazhimei Commercial Investment Co., Ltd.Guangdong Sheng, China

Qingdao Yichun Metal Manufacture Co. Ltd.Shandong Sheng, China

Y.S.S (THAILAND) Co., Ltd.Thailand

Shaanxi Academy of Building Research Co., Ltd.

Abandaco, Inc.

Guangdong Carpoly Technology Materials Co. Ltd.Guangdong Sheng, China

Wuhan Dewei Engineering Technology Co., Ltd.Hubei Sheng, China

Shandong Xingui Technology Co., Ltd.Shandong Sheng, China

Wuyi Huayang Industry and Trade Co., Ltd.Zhejiang Sheng, China