Alloy stair railing prices

1, prohibits the door surface in contact with corrosive substances (acid and alkaline substances) and to avoid damage to the door surface protective layer of paint, so that the paint off the door surface discoloration; 2, locks are a key part of the door, switch and flexibility directly affects the door The switch use, so do not hang items on the handle; 3, rain water should be promptly removed under the sill, the doors and door frames to prevent rain soaked (acidic rain itself can distort the spray film to produce rust; 4, Paint and dusting the door surface is a protective film, do not damage the surface layer, but can not scratch open at the end, resulting in the protective layer of the substrate caused by falling rust and deterioration, affect the life of the door; 5, the hinges should be done Regular maintenance, regular or irregular add oil to eternal flexibility, switch freely; 6, when the door hinges bit sagging, hinge joints should be checked whether a uniform regulation of door hinges again;