JBCZ is a professional China rebar coupler manufacturer , has rebar spice , mechanical coupler factory, it was established in 1987,covered an area of 30,000 ㎡, building area of 20,000 ㎡, who has Chinese government's official Land Certificate and Premises Permit. JBCZ has 300 staffs, and includes Production Department, Domestic Engineer Construction Site Department, International Trade Departme...