We know that the production of aluminum doors and windows broken bridge refers to your brand of choice bridge aluminum profiles and then cut according to the actual size of the customer's processing and assembly out, a different brand profile determines the price of aluminum doors and windows broken bridge aluminum clad wood windows and doors is not the same factory, which is an important part of the bridge aluminum doors and windows price factors, China's top ten brands of aluminum doors and windows broken bridge aluminum bridge basically in the ex-factory price 26,000 yuan / ton aluminum clad wood windows and doors, can process 100 square meters of aluminum casement American package wood windows and doors, so that the cost of production profiles obtained at 260 yuan per square meter. bridge aluminum doors and windows to avoid scratching the surface? Bridge aluminum doors and windows are often used in building more prominent place, once scratched, even if the bridge does not affect the performance of aluminum can also damage the overall appearance doors and windows. Common causes of scratching the surface of aluminum doors and windows broken bridge include: mechanical scratches and artificial scratches. 1. From the concave surface scratches mostly due to mold or air knife sticking foreign objects produced at the rough machining. 2. scratches appear in the corner of the projection products, is produced as a result of the extrusion die 3. transverse cracks or scratches scratches mainly due to the introduction of products from sliding laterally transported to the finished product when sawing units, cooling bed has a hard projecting to the article scratch. Also some scratches produced during loading, transport, and scratches are common during aluminum extrusion surface defects. European aluminum clad wood windows and doors, windows and doors still Xi'an (certified), Xi'an aluminum clad wood windows and doors is still provided by the Xi'an Door. Xi'an is still Door (www.xazhongshang.com) is Xi'an, steel leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Xi'an is still leading in the doors and windows with the staff warmly welcome all inquiries negotiations to create Xi'an doors still a better future.