Our company is a professional enterprise specializing in research, development, manufacture, sales and marketing of all kinds of high quality acoustic products. Few suppliers can provide HDMI 1.3b1 certificate, however Velkoh is the first manufacturer in mainland China has passed HDMI1.3b1 testing by HDMI ATC.Our products range from HDMI cables, USB cables, LAN cables, DVI, fiber optical cables, firewire IEE1394 cables to computer connectors such as HDMI switches, splitters and other accessories.All our products are manufactured in accordance with RoHS standard and our HDMI cables have attained the evaluation of HDMI Organization certification.More informations pls refer to our company website http://www.velkoh.com/ or visit our website on alibaba.com as follow: http://hdmicable.en.alibaba.com We promise to offer you our products of good quality and the best service.