We are a professional manufacturer and exporter of various types of LED Light, DVR cards,PCBs and PCBAs. As a professional manufacturer, we can provide you the most direct services and the best quality products! And our products have got the good reputation and high popularity worldwide. During the past 10 years, we have accumulated rich experience, advanced technology and resourceful technicians for development! Please request you to go to our website for more information! www.yishi.net.cn High quality, reasonable prices and the satisfied services are our value and our promises to our customers! Yishi Electronic Technology Development Co., Ltd. provides one year Parts and Labor Warranty to all of our products from the date of purchase. During this period, we will replace or repair components of the product that is tested as defective from consumer's regular usage. And we can provide the technical support and the aftersales service forever for any products from us!