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          Machined Aluminum Frame
          • Machined Aluminum FrameMachined Aluminum Frame

          Machined Aluminum Frame

          SJ is professional for machined aluminum frame as per client’s specification and requirement. The materials we commonly used for aluminum frame are aluminum 6063, aluminum 7075 which sourcing from a reliable material supplier. Depending best quality with good service, we are cooperating with many customers ie. XIAOMI, ZTE etc. For your better understanding our products, we would like to present the features of machined aluminum frame.

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          Product Description

          Introduction of Machined aluminum frame:

          Not only we accept sample orders for Machined aluminum frame , but also mass production orders can be accepted. We have machined aluminum frame for mobile phone, Tablet and industrial PC. We can achieve the tolerance of the drawing and client’s requirement.For surface treatment, our factory rely on outsourcing which can meet client’s demand as required.

          Product parameter (Specification) of Machined aluminum frame:  

          1.Material: SS304, SS 316, Copper, AL 6061, AL 6063, AL7075, 12L14, 1213, C3600. 
          2.Surface treatment: Polishing, Mirror polishing, Anodizing, Hard anodizing, Oil painting, Powder painting, Galvanized, Zinc nickel plated.
          3.Packaging: neutral packing, blister and bubble plastic bag. Or packing as per clients’ request. 
          4.Delivery time: 7-10 days for sample orders, 15-25 days for mass production orders.
          5.Payment terms: T/T, By Paypal, By Western Union. 
          6.Processing machines: Lathe machine, Milling machine, CNC machining center, Grinder etc.

          Pictures of Our Workshops(Lathe, Auto-lathe, CNC machining center) 

          Our Procedures for Manufacturing the Parts:

          1.The customer provide a sample or drawing(in stp, step, igs, pdf or cad format) to us, these information must be very clear ie. Material , Surface treatment, Tolerance, Order quantity,special requirement, packaging requirement etc.
          2.After our sales translated some notes on the drawing into Chinese, our engineer will evaluate the production cost for the part. If there are any questions or problems on the drawing, we will communicate with the client at once by email or by Whatsapp. We will audit the price and send quotation to the client ASAP. 
          3.Negotiate with the client about the order and confirm the payment terms, delivery time
          and shipping cost. We always try our best to provide best service to our clients, if they need a shipping agent, we will recommend a reliable and trustworthy one for them to make sure deliver the goods timely and costly.  
          4.During production, our sales will update the status weekly by email.
          5.Once finish production, we will inform you to pay the balance, then arrange the shipment for you. 
          6.After the client receive the products, please give us feedback about our product quality. If the parts were damaged or ruined during shipment, we would arrange new one to replace of bad parts for our clients.

          Q&A:

          1.Q: What is the difference between electropolishing and mechanical polishing? 
          A: Electropolishing is an electrochemical process while mechanical polishing is a mechanical process. Electropolishing is a surface treatment that can improve surface finish as it dissolves material from the surface.Mechanical polishing, like machining, alters a surface by cutting material away from the surface. Electropolishing can improve a surface finish on a microscopic level while mechanical polishing can improve a surface finish on a macroscopic level. 
            
          2.Q: What is black zinc plating? 
          A: Black zinc plating is used to provide corrosion protection and anti-galling properties to parts in high wear, high temperature, and corrosive environments.  It is achieved by applying zinc plating followed by black chromate conversion plating. The result is a uniform, durable coating providing corrosion and wear resistance as well as anti-galling properties. The surface color can range from matte to different iridescent hues. Black zinc plating is thicker than other plating methods, which may affect the dimensions of tight fitting parts. 

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