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.
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