Macron originally put the value of a likely order at $18 billion. A firm order failed to materialize last year despite a second French state visit in June and a delegation of top Airbus executives in September.
The deal announced in Paris will include both Neo -- for new engine option -- and so-called classic or CEO versions of the A319, A320 and A321, though the majority will be A320neos and A321neos, according to officials. China typically orders planes in large batches and allocates them to airlines later.
The latest A320neo model has a list price of $110.6 million and the A350-900 sells for $317.4 million before discounts.