Hangzhou TAK communication co.,ltd is a Chinese leading supplier of optical transmission products such as SDH fiber optical multiplexer ,PDH/MSTP transmission equipment, E1/v.35/serial RS232,422,485 data fiber modem, Fiber media converter,Voice optical multiplexer, E1 PCM multiplexer, TDMoIP device, Interface converter , HD video/audio/data fiber optical transmission, power over Ethernet, OLP optical line protection etc. Company main users are telecommunication operators, and electric power, railway, finance, public security, army, petroleum, tansportation, tax administration etc. Our market covers all over the world, like France, Germany,Korea,Thailand, Iran, Pakistan, India, Vietnam, Ukraine,Russia and so on. TAK communication always insist that quality is most important for an enterprise, all of our products are strictly tested and age in high temperature . And they are highly integrated,stable performance and easy to install and operate. TAK communication also provide OEM for various customers requirements including new product developing.we provide to customers with timely and effective service including pre-sales technical support, product installation , field maintenance, return to factory service,project suggestion services,training services and so on. We sincerely welcome our partners from all over the world to join us and develop and grow together!