Yeke Metal Co. Ltd.
Fujian Longyuan Environmental Engineering Technology Co., Ltd.Fujian Sheng, China
Liaocheng Taitong Precision Machinery Technology Co., Ltd.Shandong Sheng, China
Shenzhen Zhizhixing Technology Co., Ltd.Guangdong Sheng, China
Wuxi Kunpeng Electric Machinery Co., Ltd.Jiangsu Sheng, China
Hitachi Mito Engineering Co., Ltd.
Tianjin Yuchuang Yixin Technology Co., Ltd.Tianjin Shi, China
Optimum, Inc.Indiana, United States
Hefei Ligao Power Technology Co., Ltd.Anhui Sheng, China
Hubei Jinyue Stone Co., Ltd.Hubei Sheng, China
Shandong Yadong Gear Forging Co., Ltd.Shandong Sheng, China
JD Components Co., Ltd.