Aluminum alloy 1. Tell a coup to be observed in the purchase of aluminum alloy surface and color, appearance is smooth, the color is gorgeous. 2. aluminum alloy sub-sided and two-sided. 3. plastic seam aluminum alloy structured, aluminum plate appearance in the decorative building, it is usually bound to the width of the gap between both plates. 4. If you find that the appearance of deformed aluminum alloy, from the dark of color coated aluminum coil manufacturer, do not buy a pre-painted aluminum volumes, which are defective. 5. You can analyze aluminum alloy, the primary problem lies in the bottom of the aluminum plate on posting boards, aluminum alloy own quality problems. dealers often give our supply aluminum alloy construction process, and will be recommend that you purchase the underlying data is the high-density wood panels and the like. When its use outdoors, its use life is very weak, through wind, sun, after the rain, inevitably deformed. already have deformed the underlying data Consumers do not be fooled dealer, insists she wants. selection of welding methods and parameters are generally left-welding method, welding torch and workpiece angle of 60 °. Welding thickness 15mm or more pre-painted aluminum coil suppliers to make the right welding method, welding torch and workpiece 90 ° angle. When more than 3mm wall thickness welded open V-shaped groove, angle of 60 ° ~ 70 °, the gap must not be greater than 1mm color coated aluminum coil manufacturer for more layer welding completed wall thickness of 1.5mm or less, without groove, leaving no gap, without filling yarn. color coated aluminum coil, color coated aluminum coil suppliers, rolls Aluminum (certified merchants) from Jinan cis Aluminum Limited. Jinan Heshun Aluminum Co. (www.jnhsly.com) in the field of aluminum products devoted boundless enthusiasm and passion, rolls Alcoa has been customer-centric, for customers to create the concept of value, quality and service to win market share sincerely hope to cooperate with the community to create success, create brilliant. Welcome to the relevant business information, Contact: Zhang.