This Our Welding Bulkhead Union , its key part ferrule use ion harden process , ensure tighten tube , avoid leak liquid or gas .
“FD Grip” The No.1 earthquake-resistant rebar coupler in Japan, the highest seismic country,
for over 30 years.
TEL:+62-21-6471-2565 https://www.fujibolt.com/index.html