Greenmax Systems

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