Dahuang Machinery (Qingdao) Co., Ltd.,

Qingdao da rubber machinery co., ltd,

Qingdao Bentai Electronic Electromechanical Equipment (Qingdao) Co., Ltd.,

Qingdao North Spark General Machine Tool Company,

Qingdao weite power wood machinery co., ltd,

Qingdao summers machinery co., ltd,

Qingdao Haifeng Zhiyuan machinery co., ltd

Weiao rail group

Sincerely answer, if satisfied, please adopt it in time.