Welican is a big manufacture specialized in accessory for window and door which boasts its international level, deeply embraved by China mainland advane rapidly economiy. Welican invested the R & D center of construction metals products has been founded in recent years. Welican has past ISO9000 quality authentification. We adopted the advanced international computer digital-control technology which ensure that the first class quality of Welican products across the worldwide.
Our professional, inculd...
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