Door and window hardware is the general name of metal components of doors and windows. It plays an auxiliary role in opening and closing doors and windows. The surface is generally plated or coated, which has the characteristics of firmness, durability, flexibility, economy and beauty.

It mainly includes the following categories:

(1) Hinge

Common hinge: used for cabinet door, window, door, etc. Materials are iron, copper and stainless steel. The disadvantage of ordinary hinge is that it doesn't have the function of spring hinge. After the hinge is installed, all kinds of collision beads must be installed, otherwise the door panel will be blown by the wind.

Pipe hinge: also called spring hinge. It is mainly used for the connection of furniture door panel, which generally requires the plate thickness of 16 ~ 20 mm. The materials are galvanized iron and zinc alloy. The spring hinge is attached with adjusting screw, which can adjust the height and thickness of the plate up and down, left and right. One of its characteristics is that it can match the opening angle of cabinet door according to the space. In addition to the general 90 degree angle, 127 degrees, 144 degrees, 165 degrees, etc. have corresponding hinges to match, so that all kinds of cabinet doors have corresponding extension.

Door hinge: it is divided into ordinary type and bearing type, which has been mentioned before. Bearing type can be divided into copper and stainless steel. From the perspective of consumption, copper bearing hinge is more selected because of its beautiful style, beautiful, moderate price, and equipped with screws. Other hinges: glass hinge, table hinge, door hinge. The glass hinge is used to install the frameless glass cabinet door, and the glass thickness is required to be no more than 5 ~ 6 mm.

(2) Hinge

Clear hinge and hidden hinge, open hinge is the kind we usually see most doors used, no rebound. Concealed hinge is mostly used in furniture, can be divided into hydraulic, quick installation, frame door and ordinary.

(3) Track:

Sliding door track, hanging wheel, glass pulley

(4) Hold hands

For opening and closing metal window sashes. It is generally installed in the middle of the edge of the window sash, and some of them are designed to be connected with the bolt. It is made of brass, low carbon steel, zinc alloy, stainless steel and other materials, with nickel, chromium or zinc on the surface.

(5) Handle

It is installed on the door leaf of the building to pull and open the door leaf. General installation in the building outside the door leaf, requires practical, solid, and can play a decorative role. Handle has round handle, square handle, round pipe handle, double row handle and other shapes. It is generally made of low carbon steel, stainless steel, aluminum alloy and plexiglass.