Steel door instruction:
1) Steel doors are made of advanced and steady steel structure,which is guard against theft,fireproof,dampproof,quakeproof,and soundproof.
2) Steel doors involves in high-technology wood grain transfter techniques ,they are of fine workmanship,pleasant three-dimensional effect.
3) They are widely used for entrance doors of house mansion,with many choice as sigle door,double door ,mother-son door,four-leaf door and door-in-door for many different building requirement