Utilize the input text as a context reference, choose the right relationship between 'ZTE' and 'Shenzhen' from the options.
Options: chief executive officer, headquarters location, owner of, creator

The MOU, signed in Shenzhen by Too Tian Jen, Chief Technology Officer of U Mobile, and Steven Ge, Managing Director of ZTE Malaysia, also covers collaboration between the two companies on research and development of 5G technologies, in addition to Pre5G.
headquarters location