Shandong Academy of Building Research Co., Ltd.
Laohekou Tianhe Technology Co., Ltd.
First Heavy Industry Group Tianjin Heavy Industry Co., Ltd.
Anhui Huakai Light Industry Technology Co. Ltd.Anhui Sheng, China
Hunan Province Xiangdian Trial Research Technology Co., Ltd.
JBC Soldering SL
Yamato Holdings Co., Ltd.Tokyo-to, Japan
Nanjing Zhonglu Information Technology Co., Ltd.Jiangsu Sheng, China
Lingsheng Technology Co Ltd.Sichuan Sheng, China
Somerset Technologies, Inc.New Jersey, United States
Dongying Junyuan Petroleum Technology Development Co. Ltd.Shandong Sheng, China
Young-hee Lee