China Tianjin Communication and Broadcasting Group is an A-level national enterprise engaging in communication product R&D and manufacturing. The main product includes:Maritime Automatical Identification System(AIS),Digital Transmission Radio,Tetra,Automatical xxxxx product under the brand China TCB are spreading all over the world. Providing SMT processing services with high quality, low price, owning the world top class production line, we have the major partners like Motorola, Samsung. Your satisfaction ,our promise and aim forever.