Our company is marble watch MFG., LTD locates in HK. and we have our own factory in mainland china. Our brand is ssPowerDiskWe have our own R&D department. we are manufacturer and exporter of multi-functional watches, including recording watch, player watch and USB watches. Through the hard work of our Tech-department, we developed series of new items. GPS Tracking watch, Video camera watch, Prayer watch, Alcohol Testing watch, Thermometer watch etc. Our aim is to be the first brand of china in the field of watch. we offer the best quality goods and services. I'm looking forward to building a long-term cooperation with you. Thanks!