I transit at Beijing for nine hours and I plan to join city tour at Beijing. I am holding MalaysiAn.

If your itinerary is eligible and I hope it is since you didn't tell us anything about it, you are supposed to apply for 24 hour free entry permit upon your landing in Beijing. You should present your flight tickets and also your tour confirmation in hard copy to be allowed to exit the airport and to enjoy your tour that has to be booked in advance.

I am holding Malaysia passport. Malaysia passport also eligible for 24 hour free entry? If we not join any tour but only will go sight seeing ourself, are we eligible for 24 hour free entry. For your information, we transit at Beijing for our flight to Osaka. Thank you for your information .

Yes, you are eligible for 24 hour free entry. It has nothing to do with whether you join the group tour or not.