Casting parts pretreatment process issues that need attention: casting parts, not all surfaces are machined, machined surfaces without leaving too thick oxide layer formed during casting, and some there are the sand, You should be machined or sand blasting method to remove the oxide film on the site of the original, and then processed by caustic or slip tread aluminum dealers, the only way to both parts of the net addition to the original unprocessed oxide layer, and can avoid changing machining tolerances of parts. acceptable quality aluminum coil, the surface can not have a clear indentation, holidays, through the coating damage, 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 out of the slip tread aluminum, but the application will affect the final decorative effect. The current aluminum curtain wall will do with electrostatic spraying surface treatment Supplying slip tread aluminum, 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 effect is very good. Slip tread aluminum supplier _ _ Aluminum skid pattern aluminum rolls provided by the Aluminum Co. of Jinan rolls. Jinan Heshun Aluminum Co. (www.jnhsly.com) Shandong Jinan, aluminum products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Aluminum leadership in cis with the staff warmly welcome all inquiries negotiations to create a better future for aluminum rolls.