Dalian Kelin Energy Engineering Technology Development Co., Ltd.Liaoning Sheng, China
Keiko HoriguchiChiba-ken, Japan
Nantong Blue Island Offshore Co. Ltd.Jiangsu Sheng, China
Inner Mongolia Baike Biology Co., Ltd.Nei Mongol Zizhiqu, China
Lianyungang Haoyu Quartz Co., Ltd.
Viebrockhaus AGNiedersachsen, Germany
Jiangsu Yongsheng Fluoroplastic New Material Co., Ltd.
Qingdao Kaishuo Machinery Technology Co., Ltd.Shandong Sheng, China
Harbor Freight Tools USA, Inc.California, United States
FASITE ELEVATOR CO.,LTD.Zhejiang Sheng, China
Tianjin Xinsheng Environmental Development Co., Ltd.Tianjin Shi, China
Institute of Marine Instruments and Meters, Shandong Academy of Sciences