ONLYDA TECHNOLOGY (HONG KONG)CO.,LIMITED is a professional automotive diagnostic tools and car keys manufacturer. Onlyda has been the leader and key supplier in the high-tech automobile electronic industry. It is specializing in R & D, production and marketing various types of high-tech automotive electronics products domestic and abroad. Our Major products are Auto diagnostic tools, Auto ECU programmer, Auto key programmer,auto remote key , transponder key , key blank, key chips, auto locksmith's tools and so on.