
Hideji Tajima,Japan

Changzhouwujinshunda Accuracy Steel Pipe FactoryJiangsu Sheng, China

Chongqing Xingyan Technology Co., Ltd.Chongqing Shi, China

Shenzhen Gilong Electronic Co., Ltd.Guangdong Sheng, China

Anqing Zhuangyuanlang Electronic Technology Co., Ltd.Anhui Sheng, China

Opticos SRLBergamo, Italy

Shenzhen Encom Electric Technologies Co. Ltd.Guangdong Sheng, China

CellTrend GmbHUnited States

Page-Wilson Corp.

Nippon Bunkaseiko Co. Ltd.

Shandong Wansida Construction Industrialization Research Institute Co., Ltd.

AD-II Engineering, Inc.Taiwan Province, China