Steel Tube Connector Hinges 1We are specialized in producing all kinds of metal parts. 2materal:copp Detailed Product DescriptionSteel Tube Connector Hinges 1)Material: copper, iron, aluminum, stainless steel,brass,ect2)We can make copper nuts in different size3)Finish: zinc, heat treatment, black, power coating, nickle, ect Company NameXiamen Xinhengfeng Industrial& Trading Co.,LtdItem NameSteel ...