Changzhou Bartech Construction Material Co,.Ltd has focused on top quality rebar couplers and rebar threading machine and other rebar processing machines related with rebar mechanical connections. We have been in this field for over 10 years in China. We started from trading at the beginning and now we have our own professional factory and also cooperate with some other professional machine manufactures which made us become one of the leading suppliers in the rebar mechanical connection industry in China.