1.Product name :  aluminum European standard single roller for aluminum sliding door & window 2.Specification :  1) Application: aluminum sliding door & window 2) Main material: Zinc or copper or aluminum or plastic,we can make it according to customer's requirements .  3) Surface treatment: Zinc plated/Anodize natural .  4) Operational life test: 50000 times strict tests .  5) Basic color:Silver .  3.Advantage :  1)  Durable and safe .   2) Strong productivity and fast delivery time .  3) European standard and OEM, Design service .  4) High quality and factory price   4.Manufacturing technology: Our main manufacturing technology by plastic injection molding, die-casting, powder coating, electroplating, Main materials relate to engineering plastics, aluminium alloy, zinc alloy, high strength   5.Company introduction: Our factory has specialized in producing upvc&aluminum alloy door&window hardware since the year 2008 and began to export since the year 2009. Our products mainly include handle, hinge, lock body and espagnolette and so on.   Customized proudcts are also welcome, we have our own opening mould machine and professional R&D team.   6.Drawing: