Marukin Corp.
Boyar-Schultz Corp.
VV-Hammer GmbH
Chmelarstvi Druzstvo Zatec
Liyang Hufeng New Energy Technology Co., Ltd.
Shenzhen Tongwei Communication Technology Co., Ltd.
Anji Hanzhou Bamboo Products Co., Ltd.
Qingdao Bohai Construction Group Co. Ltd.
Xue Ping Feng
Kato Seiko Co., Ltd.Aichi, Japan
Hangzhou Guangchi Communication Technology Co., Ltd.
Panjin Zhongyue Optoelectronics Technology Co. Ltd.