Cangzhou Bartech Construction Material Co., Ltd is a leading global supplier of rebar couplers and all kinds of rebar threading machines in China. We offers series of innovative products specialized in rebar mechanical connections with Parallel Thread Rolling technology, Parallel thread Upsetting Technology, Cold Pressing Technology. We start our couplers export business since 2008, now we have good markets in Asia, Middle East, Sourth America such as Vietnam, Malaysia, Kuwait,Qatar, UAE and Saudi Arabia, Mexico and so on . We provide different raw material couplers with different grade of rebars.