Aluminum alloy within a crop note, cutting bevel 1 °, length tolerance within 1m of large diameter tubes within 0.5mm, 1m less than 1mm, the short ends of the packaging material wrapped film Jinan large diameter tubes, long tube equipped with iron frame between the pad of paper (three) or three-point package. 2, surface scratches bumps and other issues need to pick rework when cutting point 3, cutting deformation, deformation after straightening twisted and need to pick scrapped 4, as customers have special packaging requirements for length and 5 basis having to customer requirements, packaging must be cut to facilitate customer handling guidelines for acceptable quality large diameter aluminum coil aluminum factory in Jinan, the surface can not have a clear indentation, leakage Tu penetrating injury of large diameter tubes coated professional manufacturers and ripples, scratches, bubbling are not allowed. These are easy to see, the most important thing is you have to look carefully aluminum coil color, if you do not pay attention, it is not easy to see, but at the time of application will affect the final decorative effect. The current aluminum curtain wall will do with electrostatic spraying surface treatment, powder coating materials mainly for polyurethane, swelling resin, epoxy resin and other raw materials with high color retention pigment obtained dozens of different colors powder coating, decorative the effect is also very good. Large-diameter tubes of large diameter tubes manufacturers _ _ Jinan rolls Aluminum Aluminum Co. provided by Jinan Heshun. 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.