Shenzhen Ewing Science and Technology Co., Ltd is situated in Shenzhen city Guangdong province formed in 2003 is a corporation that develops, manufactures, and supports a wide range of wireless communication terminals for computuing and mobile devices. Distinguishing from other wireless modem suppliers in China, Ewing provides not only high-tech and professional equipment to market requirement , but also the system configuration and equipment calibration for customer€™s best excellent teams offer the best service to customer from the best and successful requirement, equipment calibration, and best after-sales maintenance to the overall service.Company now involves in the fields like GPS terminals, industrial modem, DTU series, wireless industrial measurement and control system series. Products include CDMA industrial modem, GPRS industrial modem, GSM industrial modem, GPS/GPRS car-mounted terminals, GPS/CDMA car mounted terminals, GPRS wireless data transimission end, CDMA wireless data transimission end, wireless industrial measurement and control end.