It is next mysterious launch conducted by China in 2016. TJS-2 is satellite designed to test new communication technologies, but no details were unveiled. It will be probably operating from GEO orbit, just as its predecessor TJS-1. It will be launched on atop of Long March 3B from Xichang Satellite Launch Center.
Long March 3B was developed by China Academy of Launch Vehicle Technology (CALT). It is based on three stages and four strap-on boosters. Each booster is utilizing single YF-21C engine (2961.9 kN of thrust), first stage is powered by four YF-21C engines (2961.6 kN thrust each). Second stage is equipped in one central YF-24E (thrust at 742 kN) and four YF-23C (thrust at 47.1 kN) for stabilization. Third stage is equipped in one YF-75 engine generating 167.17 kN of thrust. Rocket is liquid fueled and utilizing N2O4/UDMH for boosters and LH2/LOX for third stage propulsion.