CYK is a global leader in the design and manufacturing of custom cabling products, providing commercial and residential Ethernet cables for more than 10 years. Each of our copper patch cables are offered in standard designs, as well as customized options to meet specific customer requirements. All cables are 100% tested and backed by a lifetime warranty to ensure the high quality and reliable performance. We also offer a quick delivery via DHL, FedEx, UPS, TNT and by air or sea.