This is Julie from Hebei Yida Reinforcing Bar connecting technology Co;Ltd.Hebei Yida is a manufacturer of rebar coupler and thread rolling machine. 1.We are an ISO 9001:2008 certified manufacturer.2.We are a leader of rebar connecting technology in China.3.We have decades of experience in worldwide projects.Such as Pakistan Karachi Nuclear Power Plant, Guinea Hydro Power Plant, HK-Macao-Zhuhai Longest Cross Sea Bridge, Ivory Coast Soubre Hydropower Station etc.Our main products as followed1.Rebar Coupler2.Rebar End Upset Forging Machine3.Hydraulic Grip Machine 4.Rebar Rib Peeling And Threading Machine5.Rebar Cold Extrusion Machine6.Rebar Material Organizer And Feeder Machine7.Rebar Cutting Machine