
Douglas Co., Inc.New Hampshire, United States

Guangdong Danzi Group Co., Ltd.

Zhengzhou Ruitai Refractory Materials Technology Co. Ltd.Henan Sheng, China

Shenzhen Tongyifang Optoelectronic Technology Co., Ltd.Guangdong Sheng, China

Wujiang Textile Technology Center Co., Ltd.Jiangsu Sheng, China

Tsuyoshi Kobayashi,Tokyo-to, Japan

Resolution Research Nederland BV

Global Injection Molding Technology Co. Ltd.

Nanjing Dianjin Welding Co., Ltd.Jiangsu Sheng, China

Yoshio NishimuraKagoshima-ken, Japan

Dongguan Gaoge Electronics Co., Ltd.

Hefei Fanmi Intelligent Technology Co., Ltd.Anhui Sheng, China