With more than 5000 years of History, China is one of the oldest civilizations in the world, and also the globe's most populous country.
People who go for the first time in China could have "shock" facing the gap between culture. Wherever you are you can feel a very deep culture that is really amazing. From Beijing to Hong Kong, going through Shanghai, it will be up to you to decide where to go according your preferences.
(Currently fully open economy, business tourism is no exception in China: the facilities are modern and the activities are tailor-made for business customers).