Shenzhen antecheng technology Co.,ltd is one of the subcompany of AT Group,located in Shenzhen city, Southeast China with advantageous geographical location,the Electronic city of world in China ! Shenzhen Antecheng Technology Co., Ltd. is a leading factory in China, specialized in RS232.RS485. PCI, USB, PCMCIA & Express GSM/GPRS/CDMA industrial modems, PCI&RJ45 USB GSM/GPRS/CDMA 8/16/32/64 port modem pools, wireless communication parts and Wireless terminal products RTU DTU As a ...