·Xinshangong (Shandong) Machinery & Equipment Co.,Ltd
·Shandong Fuyang Bio-tech Co.Ltd
·China Pulse Dust Gas CO2 Sensors Co., Ltd.
·HEBEI TOBEE PUMP CO.,
·VANILLA ISLAND
·CENTERWAY STEEL CO.,LTD
·Qingdao RUIRUI Machinary Co., LTD
·Continental steel Co.,ltd
·Anping County YuHeRen Wire Mesh Products Co., Ltd.