·Qingdao Volno Industry & Trade Co., Ltd
·YANGZHOU TONGYI MACHINERY CO.,LTD
·Foshan Nanhai Haiyu Electromechanical Industry Co., Ltd.
·Hangzhou Yilong Industry Co,. Ltd
·TAIZHOU LONGXIN MECHANICAL AND ELECTRICAL CO.LTD
·Henan Medical Technology Co., Ltd
·Tianjin Leigong Welding Alloys Co., Ltd.
·Jiangsu Wanyuan Artificial Turf Co., Ltd
·D.SMap Co., Ltd