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Characteristic: 1、Main profiles has the design of three-chamber structure, and an independent drainage chamber.
2、It can be designed inside casement window, outside casement window, vertical tilt window, fixed window and so on.
3、 By the use of Z shape frame named P60-42, it can make the outside window with a fixed glazing bead turn outside to inside.
4、Inner ribs of bottom of drainage chamber are clined downwards, which can facilitate draining.
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