yes, we are a company that produces the rebar coupler used in the constructions. we have the size from 12mm-40mm, and the couplers are used in many projects like the higest building called BURJ DUBAI, and the longest bridge in Hangzhou China.
If you are interested in rebar couplers you can visit www.jbcz.com--it's our offical website. and we also sell the machines used to process the rebars.
And you can contact me in this e-mail:[email protected]