·Hunan Huateng Pharmaceutical Co., Ltd.
·Wuhan linkage track equipment co.ltd
·linkage track equipment
· linkage track equipment co.,ltd
·Nanjing Binzhenghong Instrument Co., Ltd
·Ningbo High Tensile Bolts Ltd
·Hebei Qijie Wire Mesh MFG Co., Ltd
·Anping Hexagonal Wire Netting Factory
·Finego steel LTD