The safety and reliability of steel fire doors have been recognized by many customers, because the materials used are solid and stable steel, non rusting, non corrosive, and good sealing. The steel fire door made of high-quality steel and refractory materials can not only meet the safety requirements, but also ensure the long-term stable use of users without damage.

Ọnụ ụzọ ọkụ ZHTdoors, afọ 31 nke mmepụta ihe na ọnụ ụzọ ọkụ na Windows. The isi UL ọkụ ọnụ ụzọ, EN ọkụ ọnụ ụzọ, BS EN ọkụ ọnụ ụzọ, wdg,..We nwere certification.ZHTdoors support OEM na free design.Our uru: Good quality, factory price, good service.Welcome to consult us.