Fire door hinges are non combustible, non explosive, water resistant, chemical resistant, non-toxic and have good mechanical strength. The fire door hinge has high fire resistance. In the simulated combustion test, it does not deform when the maximum temperature reaches 800 degrees, and has good fire resistance and flame resistance.

ZHTdoors milango ya moto, miaka 31 ya uzoefu wa uzalishaji katika milango ya moto na Windows. Milango kuu ya moto ya UL, milango ya moto ya EN, milango ya moto ya BS EN, nk., Tuna certification.ZHTdoors msaada OEM na bure design.Our faida: ubora mzuri, bei ya kiwanda, huduma nzuri.Karibu kushauriana nasi.