The doors and windows of our store are different from those of other stores, and there is no comparison or way to know. The price is the same. Door and window hardware can be divided into building door locks, handles, supports, hinges, door closers, handles, latches, window hooks, anti-theft chains, sensing door opening and closing devices, etc. Door and window hardware is a general term for various metal and non-metal accessories installed on building doors and windows. Assists in opening and closing doors and windows. This surface is usually electroplated or coated, sturdy, durable, flexible, economical, and aesthetically pleasing.


1. Different materials

Profile wall thickness: From the appearance, for doors and windows of the same type, the external dimensions of the materials are the same, but the thickness of the materials is different. The input profile is 108 mesh, and the common wall thickness is 1.4mm. There are various specifications on the market, such as 1.6mm, 1.8mm, 2.0mm, etc. The thicker the contour, the higher the cost.

Different profile brands and raw materials: Due to different production equipment, the quality requirements for profiles produced by different manufacturers are also different, and the processing costs for profiles of the same specifications are also different. The price difference per ton can reach 1000 yuan. Aluminum rods also have A rods and B rods, which are original aluminum rods and recycled aluminum rods, respectively, with a price difference of several hundred yuan per ton.


2. Different hardware components

It can describe hardware from different brands, including not only the price, but also the internal opening and the following two parts, which differ by more than twice. They have the same color and function, but it is a well-known manufacturer's product that has been sold in the market for many years and enjoys a high reputation. Although they have the same appearance, they are completely different materials, with different production processes and surface treatments, so their service life and safety performance are not at the same level.


3. Different processes

It is the same material, and there is a huge gap in the production process between different manufacturers. When some small door and window manufacturers assemble doors and windows, as long as they are sturdy, they can only assemble doors and windows. When assembling doors and windows in a formal large factory, in addition to being sturdy and aesthetically pleasing, angle glue should also be applied to the aluminum profile first. After the assembly of the angle steel is completed, the angle steel should be injected into the interior of the angle steel, and angle steel adhesive should be filled in the gap between the angle steel code and the profile to form a whole, that is, the connection is more firm, which can prevent angle steel leakage and improve air tightness.