ON Technology Limited, is a professional company specializing in the most updated technology of installing, maintaining and supplying for Acoustic Design / System Design. We provide outstanding services to top companies and national institutions across the regions of Hong Kong, Mainland China, Taiwan, Singapore, in a wide range of expertise of theatre, concert hall, stadium, arena, recording studios, TV, radio broadcast, post-production, CD mastering production and conference. We design and build international standard recording studio, control room for professionals, as well as HI-FI AV Room for high demand listening.