Shenzhen Esino Technology Ltd has over 13 years of OEM expertise.Professional R&D kinds of 2G 3G 4G GPS Tracking Solutions and manufacture GPS Trackers. We supply the worldwide market with high quality goods of all kind types, due to our guaranteed quality and well-established credits, several chief dealers from Europe and US have been enduring good.Our engineers all comes from the Top Universities and they can develop 5 to 10 new product every month. We can also develop a new item for you based on your specifications and have your sample prepared within seven days. Delivering in just one to three days. Our five automatic production lines are equipped with injection molding machines and discharge machines from Japan. We check your order piece by piece before delivery to ensure you receive only qualified products. All our operations are ISO 9001:2008 certified. All of our products are with one to five years' warranty. Be the leader of NB IoT Solutions Porvider in China,We have experienced technical R&D team, proficient in GPS Tracker Device with Custom APP and Platform development, In recent years we are successful development 2G/4G IoT Solutions in these area for Chinese Goverment: Smart Agriculture, Intelligent Transportation, Public Safety, Industrial Automation, Energy Saving and Environmental Protection Smart Home. ESINO is a national high-tech enterprise, we have a number of scientific research and patent, and in the process of production strictly comply with ISO9001 and CCC, CE, ROHS international standards, these standards are covered in our R&D services and management of product design. We have good cooperation relations with Qualcomm, MTK, HEX, SAMSUNG, Intel, HUAWEI and Newsletter chip manufacturers. Start from ESINO to bulid an intelligent world connected by IoT Solutions.And simply focus on enjoying a variety of intimate applications and services. Welcome inquire now!