and 

other for 3 hours

suppose the flight is delayed and then I miss it.. will they keep me in another flight ?

The most thing I am worried is Transist visa :(

what about the baggage and stuff.. will it reach directly in Nepal or do I need to take it out..

My route:

SFO -> Qingdao (TAO)---->(10 hrs layover) ---> Kunming (KMG)---(3hrs layover)--->KTM