"In the morning, Apple's CEO Tim Cook visited China Mobile's headquarters. China Mobile's Chairman Xi Guohua and Tim Cook discussed matters of cooperation," said Li Jun, a China Mobile spokesman, in an emailed statement.
Due to a confidentiality agreement no further details were provided.
China Mobile is the world's largest mobile carrier by subscribers and Apple has yet to sign a deal to bring its iPhone to the carrier. In March it was reported that the company had 15 million unofficial iPhone users despite the iPhone not supporting its 3G (TD-SCDMA) network.