Castolin GmbH
Hubei Herui Energy Technology Co., Ltd.
Etna Products Co., Inc.
Garnet, Inc.
Lifesize, Inc.
AJ Co., Ltd.
Shandong Taipeng New-Material Co. Ltd.
Zhihe Zhonghao Construction Group Co., Ltd.
Nantong Heding Building Materials Technology Co., Ltd.
Jiangsu Weiyi Electronics Co., Ltd.
Nanjing Boiler and Pressure Vessel Inspection and Research Institute
Jinhua Top Optical Instrument Co., Ltd.