Greenmax Systems was established in 1999. Our company adheres to the concept of "good and strong business, building a beautiful future". Our company focuses on the research and development, marketing and service of 3g/WCDMA/EDGE/CDMA2000 wireless products. We provide OEM wireless data cards for many overseas well-known brands and program solutions for domestic well-known notebook brands. At the same time, we have technological communication and co-operation with the leading companies in this industry.Our company continues to focus on the technology research and accumulation of wireless data communication products and embedded systems. We make product research and development and customer service for our own core competitiveness. We make it our own responsibility to enhance partners&＃39; product competitiveness and innovation capacity. Therefore, we get deep trust and strong support from well-known customers and suppliers.With the pace of science and technology in the new era, Greenmax systems human resource will be more senior; the market will be more international and the capital will be more abundant. We positively face the challenges and try our best to create value for customers. Let us create a beautiful future together! Our products GSM MODULES GREENMAX 3G USB MODEM 3G WIFI ROUTERS EDGE WIRELESS MODEM CDMA WIRELESS MODEM WAVECOM GSM MODEM HSUPA MODEM GSM GATEWAY GPS MODULE GSM GPRS ANTENNA WIRELESS GSM MODULE GPS GSM MODULE 3.5G Modem WAVECOM GMS GPRS GPS VEHICLE TRACKING SYSTEMS GPS GSM TRACKER GPS CAR TRACKER DEVICE ZIGBEE MODULE SIEMENS GSM GPRS GSM GPRS EDGE PORTABLE GPS TRACKER GSM GPRS MODEM BLUETOOTH WIFI MODULE RF CABLE ASSEMBLY RF WIRELESS MODULES FLYFOT MODULES SIMCARD HOLDER 3G MODULES WAVECOM MODEM 8/16/32/64-PORTS MODEM POOL