Tianhe (which translates as "Heavenly Harmony") is the core module and backbone of the Chinese space station, designed to provide the main living quarters and control centre for the station crew.
The configuration of the CZ-5B variant consists of the Long March 5 core stage with its four strapped-on liquid-fueled boosters, but the usual second stage will be absent; in place of the second stage would be heavier low earth orbit payloads.
The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.INFO WIKI
Less than two days after parts of an uncontrolled Chinese rocket fell into the Indian Ocean, the Pentagon said allowing a large booster to free fall toward Earth is “irresponsible behavior.”
NASA Administrator Sen. Bill Nelson released the following statement Saturday regarding debris from the Chinese Long March 5B rocket.
For the second time in a year, a large spent Chinese rocket stage intentionally left in orbit is heading for an unguided plunge back into Earth’s atmosphere Saturday or Sunday somewhere between 41.5 degrees north and south latitude.
Debris from a large Chinese rocket stage fell into the Indian Ocean late May 8 Eastern as people around the world watched for signs of the fiery reentry event in the skies.
China’s foreign ministry acknowledged the imminent uncontrolled reentry of the Long March 5B Friday as the orbit of the first stage continued to lose altitude.