Air China (CA, Beijing Capital) has confirmed that its subsidiary, Shenzhen Airlines (ZH, Shenzhen), entered into a purchase agreement with Boeing (BOE, Chicago O'Hare) on Wednesday, June 3.

Though the carrier did confirm the deal is for forty-six B737 aircraft, it did not disclose its break-down and/or the make of its constituent models. Deliveries are scheduled to commence next year and will run until 2020.