Hardware industry development speed is very fast, many enterprises are only to other manufacturing enterprises to do supporting, accessories, the dependence on manufacturing enterprises is relatively strong, and the response to market demand is also very slow. Knowledge science: for example, the object for the door and window processing manufacturers need metal accessories, how to make the enterprise sustainable competitiveness, mainly from the following four elements:

1. When selecting hardware accessories, try to choose quality assurance products, hardware accessories quality level should be consistent with the quality level of doors and windows, aluminum alloy doors and windows accessories structure, shape should be consistent with the profile, color coordination beautiful, correct function, flexible operation, easy installation.

2. The installation of hardware accessories should be complete,, standardized, secure, accurate location. After installation, the doors and windows are beautiful in appearance, flexible and convenient to open, without deformation, obstruction and collision.

3. Exposed fasteners for hardware accessories should be preferred stainless steel products.

4. flat open windows and large size push and pull doors and windows should be closed with multiple locking points, otherwise under the negative pressure difference air tightness will be greatly reduced, taking into account the ease of operation, it is best to use multi-lock points or transmission.