The upset forging parallel thread and Rib peeling roll stamping system all have such reducing coupler.
China rebar mechanical couplers manuafacturer. The upset forging parallel thread and Rib peeling roll stamping system all have such reducing coupler. Our rebar splicing,rebar mechanical couplers products and technology have past GB/T19001-2000idt,ISO9001:2000 international quality management system and CE certification
China rebar mechanical couplers manuafacturer. The upset forging parallel thread and Rib peeling roll stamping system all have such reducing coupler. Our rebar splicing,rebar mechanical couplers products and technology have past GB/T19001-2000idt,ISO9001:2000 international quality management system and CE certification