Shenzhen TOPWIN Technology Co., Ltd. was established in 2004. Our company has been focusing on the research, development and sale of wireless communication terminal products. Our main products: wireless network cards, wireless routers and other wireless GPS vehicle monitoring equipment Major networks: HSPA + HSPA, HSUPA, HSDPA, WCDMA, UMTS, EDGE, GPRS, GSM, TD-SCDMA, EVDO and CDMA As a manufacturer of telecommunication terminal products, we are glad to provide reliable and cost-effective wireless terminal products for customers from all over the world based on the "honesty and service oriented" business philosophy. We have been building cooperative relationships with clients from Southeast Asia, Europe, the Middle East and other countries and regions. We are the oldest and the largest company among the professional wireless business companies in China. In addition, our company