voip, ip pbx, voip pbx, china voip manufacturer Houyuan Techology ( HK) Limited ( houyuanhk.com ) was found in 2009 . We mainly produce IP PBX, VOIP products, RFID and other elecronic products. ....
voip, ip pbx, voip pbx, china voip manufacturer Houyuan Techology ( HK) Limited was founded in 2009 with headquarter located in Shenzhen and branch office in HK , suzhou. There are several....