Xiamen Powerlong Industrial Co., Ltd.
Kingspan Research & Developments Ltd.
Hanel & CoSwitzerland
Nanchang Power Supply Co. Ltd.
Suzhou Kailida Electric Co., Ltd.Jiangsu Sheng, China
Henan Jienong Biochemical Co., Ltd.
Pure Chem Pvt Ltd.
Pingluo County Binhe Silicon Carbide Products Co. Ltd.
Yue Song Huang
Hunan Wangquan Electronic Technology Co., Ltd.
Qingdao Xintiandi Packaging Co., Ltd.
Huzhou Nanxun Jinyingmen Door Industry Co., Ltd.