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Amazon’s plans have accelerated over the past year and a half, as illustrated by last November’s revelations about one of the company’s drone prototypes. The latest publication adds to the store of publicly available information about Amazon’s plans.

Among the 500 firms, 431 reported R&D data. Their combined R&D spending totaled 1.08 trillion yuan, with the ratio of R&D expenditure to operating revenues rising to a historic high of 1.61 percent.

Amazon’s drone efforts date back to 2013 when Amazon CEO Jeff Bezos?revealed plans for delivery drones on 60 Minutes. But seven years later the company has yet to officially launch a widespread commercial delivery drone service, only doing?small tests?in the meantime.

Amazon’s main headquarters campus taking shape in downtown Seattle this fall. (GeekWire Photo / Kurt Schlosser)

Among new deliveries, Boeing predicted that China will need 5,730 single-aisle airplanes through 2037, accounting for 75 percent of the total, in addition to 1,620 widebody fleet, which will triple the current size over the next two decades, and demand for widebody airplanes is expected to grow at a faster rate.