Established in 1995, Hwan Maw Technology Co., Ltd. (HMT), having our own R&D center along with a technical team, has been devoted to developing a series of digital voice modules to meet and excel customers' demands. To offer clients superior and extensive services, we started LCD control module as an ODM-oriented product in 1999. Available for every communication interface, QCM-series microcomputer control modules can be widely configured to small-sized control system units. In 2003, our R&D center began to adopt ARM 7 MCU and completed a 32-bit work platform with the ability to ETHERNET integration. In the meantime, the applications of color LCD have been noticed gradually in the elevator market while Compact Flash Card supports VCM-series sufficient memory space to be used as a PA system, opening the door to the PA system market successfully. Now, HMT keeps designing new products and updating the original ones to satisfy customers' requirements for superior quality and positive attitude are our core values to be at service of each customer!