Qingdao DaVinci Technology Co., Ltd.Shandong Sheng, China
Mallinckrodt Holding BV
Shenzhen Hongke Beiti Garment Industry Co., Ltd.Guangdong Sheng, China
Zhuhai Greiyada Electric Appliance Factory
Suzhou Xiangyao Precision Automation Equipment Co., Ltd.Jiangsu Sheng, China
Hunan Huagao Complete Equipment Co., Ltd.Hunan Sheng, China
Shenyang Tiantong Electricity Co.,Ltd.Liaoning Sheng, China
Nanjing Amethyst Energy Saving Technology Co., Ltd.Jiangsu Sheng, China
Changzhou Shunjing Oil Cylinder Co., Ltd.Jiangsu Sheng, China
Fujii Corp.Osaka-fu, Japan
Fuzhou Lianchuang Hengtai Optoelectronics Co., Ltd.
Hunan Institute of Engineering