·Dingjin General Machinery Co., Ltd
·Dalian Hongjixiang Technology Co.,ltd
·Dalian RuiTeng Pressing CO.,LTD
·Dalian Chengjin Special Steel Products Co.,Ltd
·Dalian Fullton Machinery Co.,Ltd
·ZhunFeng Heavy Industry (Dalian) Co., Ltd
·the ruian sanlin trade machinery
·Hengshui Fangchen FRP Equipment Technology Co., Ltd.
·Shenzhen Shengyun Technologies Co. Ltd.