Advanced development co.,ltd is a company with employees more than 1000, found in 2004, mother company locate in hongkong and branch selling company locate in shenzhen. we are specialized in satllite and internet electronic business, like receivers and accessories, computers and accessories, and mobiles, routers and so on. we are put the quality at the first place with reasonable price, and our sales principle is give customers confortable after-sales, so if you want the cheapest products with bad quality, you'd better find another company. our quality guarantee period is one year except sone special promote products, any quality problems can return us to mending, if it is human factors, you need pay repair fee, if non-human factors during the warranty, we will repair it for you for free. but all products will inspect carefully before shipping or delivery, because our business objective is high quality, good after-sales, low cost, short delivery time, less complaint. we are welcome more suggestion from customers and eager for long time sincerely business cooperation from customers and wholesalers.