Shenzhen Sunroad Electronic Co., Ltd. specializes in the manufacture of quality multifunction digital altimeter & compass. This multifunction digital altimeter is designed to deliver extensive, accurate and vital information with altimeter, barometer, thermometer, compass, weather forecast and time display. Our dedicated research and development team and mould design team ensure that our products are continually revised and updated to be the leading edge in this field. From 2000, we start to develop in this field. Till now we have an excellent reputation for attention to detail, high level of quality control, prompt delivery and competitive prices. Our company covers an area of 3000 square meters with six production lines including SMD, bonding, inserting, wave soldering, manual soldering, assembling and packing. Our monthly productivity can reach 20,000 sets. All products have been passed