Shenzhen Copperled is one of most professional manufactures and exporters of the comprehensive of structured cabling products more than 10 years, our most advantage products are included Cat.8/Cat.6A/Cat.6/Cat.5e LAN Cable,Patch Panel, Patch cord, Keystone jack, cable manager and fiber Optic patch cord, fiber Patch panel etc. most of our products have certificated by CE, ETL, UL and Delta.Our 25 years warranty qualified products and service could help you to increase your margin around 5%-15% Just a have try!