Bloomberg reported Boeing won a commitment from an Air China affiliate for single-aisle jets valued at $4.3 billion as domestic regional carriers expand their fleet to meet rising travel demand.

According to Bloomberg Shenzhen Airlines signed a purchase agreement for 46 737 models. The price of a jet in the 737 family ranges from $78.3 million to $113.3 million, according to list prices on Boeing’s website.

Bloomberg reported Shenzhen Air will take delivery of the planes over five years starting in 2016.

To view the full Bloomberg report, click here.