CHENGXING NETWORK TECHNOLOGY (H.K) CO., LTD specializes in providing a wide variety of computer parts & network equipments with the major famous brands like Cisco firewalls, modules, switches, routers AND many other networking equipments in China. All Parts are bland new comes with one year RTB guarantee against manufacturers defects. Furthermore, according to your specific demand, we will try our best to help you find your ideal electronic and telecommunication products in the local market because our business parterners are professionally engaged in electronical & IT field. If you are interested in our products, Please do not hesitate and just feel free to contact me at any your convenient time! The following of parts are what we sell on the special wholesale price. Warmly welcome to your inquiry!