Shanghai aisd industry development co., ltd is a professional manufacturer and exporter of hardware products specialized in sliding & folding door including sliding roller fittings, hinge, handle, and other accessories. Collecting technology, profession and export , our suspending and sliding door , glass hanging sliding door , frameless sliding door, wardrobe sliding door , folding door and relevant hardware fittings in excellent quality , fashion, durability Our sliding rollers are well made of durable and noiseless nylon & improved nylon imported from germany , with special polishing process , the rollers are smooth , without mould trace , no sharp edge , no leap , with fashionable designs , our sliding roller fittings make your home decoration more perfect . Oem & odm services are provided. Competitive prices, good quality and timely delivery are promised. 45x30x30cm