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Today the overall use of quality steel doors and windows

Today the overall use of quality steel doors and windows still affect the quality of metal parts, because the moment of PVC plastic doors and windows of different shapes and dimensions of the structure of the plant, resulting in metal parts can not be unified, because each species Hardware is not possible to achieve mass production, it is difficult to form the scale of development. Moreover, the level of domestic sales of steel doors and windows are still in the low stage, greatly constrains the price of finished steel doors, steel profiles is the price is too low and hardware accessories, hardware accessories manufacturers shun resulting in order to survive the production of low-quality hardware accessories, in fact, makes excellent steel doors and hardware accessories can greatly increase the life quality and provide the overall use, such as the use of multi-point lock casement than using single-point lock can have a better sealing and anti-pressure capability, and the use of adjustable angle of the hinge or hinges can be much stronger than conventional hinged-type or saddle-shaped, fan effectively prevent sagging.


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