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Upvc Door Lock Pvc Sliding Door Lock Crescent Lock
Sep 26, 2017
Extruded into profiles and then cut, welded or screw the way into the door window frame fan, equipped with sealing strips, tops, hardware, etc., at the same time to enhance the rigidity of the profile, more than a certain length of the profile cavity needs to fill in the steel lining (reinforcement), so made of the portal window, called Plastic steel doors and windows. Therefore, the overall steel window price than other types of plastic steel window slightly more expensive, in addition to the production of plastic steel doors and windows have its own process, plastic-steel window construction program and many other differences.

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