upsetting rebar coupler

1) Simple operation,fast splicing; 2) Several types of splices, which could be suitable for rebar splicing when the rebar cage, or the winding rebar is used; 3) High production efficiency, it only takes less than 1 minute to upset and thread one thread on the site; 4) High adaptability, the splicing could be conducted when the power is off, or under water, or at super high position, or in windy, rainy and snowy weathers. 5) Environment-friendly, material-effective and economic. Customer special demand are available.