China's Internet regulator Lu Wei has been visiting all of the big U.S. Internet companies, including Facebook, Amazon and Apple.

The purpose of the visits have not been disclosed, although the conversation at Apple involved security, privacy and making sure any new products were vetted before entering the market.

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China has started to work more closely with Apple in the past year after holding off from allowing the U.S. company into the country. It has sparked a huge new market for Apple, set to be the largest for the Cupertino, Calif.-based company by 2016.

However, Apple has not had a smooth transition over to China on the software side. Several security scares have put Apple's solid reputation into muddy waters, including the recent iCloud hack.

The Chinese regulator is also worried about Apple offering a backdoor to the U.S. government. CEO Tim Cook has assured Lu Wei this is not the case, claiming Apple encrypts all data and do not offer backdoors to any government.

Apple has been in court for the past few months with the FBI and other government agencies, due to the new encryption security added to iPhones and iPads. The encryption makes it impossible for Apple to work with authorities on bypassing security.

Lu Wei also made note of the new Apple Watch, planned to go on sale in early 2015. Apple will need to get special certification in China, before the watch goes on sale. Sort of like the FCC, but with more barriers to entry.

China has recently announced a purge of electronic devices incapable of providing adequate security and privacy. The move could result in hundreds of devices being taken off the market, due to lack of security.

Xiaomi is still a leader in the Chinese smartphone market, but Apple is quickly catching up. The iPhone 6 Plus is doing especially well in the country with around 40 percent of the sales, to the iPhone 6's 60 percent.

Lu Wei also visited Facebook, where Mark Zuckerberg spoke to the Internet regulator in Mandarin. Facebook is currently trying to court the Chinese government, to try and get the social network unbanned in the country.

The Internet regulator faced harsher criticism in Washington D.C., where politicians and technology figures were not happy with Wei's plans for Internet regulation.

TagsApple Watch, iCloud, Cyber Security, Privacy, Lu Wei