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Technological Innovation
Supporting Information   
Stamp Title: Technological Innovation
Serial Number: 2017-23
Piece in Set: 5
Denomination: 6.6 yuan
Date of Issue: 2017-09-17
Designer: Du Yukai
Size of Stamp: 40×30mm
Perforation: 13
Sheet Composition: 20
Printer: Shenyang Post Printing Factory of Liaoning
Printing Technology: Offset Printing

This set of stamps shows the leadinginternationalachievements China has reached in the fields of science and technology.

The first depicts the five-hundred-meter aperture spherical radio telescope. The background shows the powerful functions of the telescope as a multidisciplinaryresearch tool through the representation of neutral hydrogen, pulsars, space objects and other scientific symbols.

The second is the quantum science experiment satellite "Mo-tse", the world's first successful implementation of 1,000-kilometer level star two-way quantum distribution.

The third stamp is the ExplorationⅠscientific investigation vessel. In addition to the ship, the stamp also shows unmanned submersibles and an underwater glider.

The fourth shows the Bohai Sea Granary Science and Technology Demonstration Project, which researchesand developshigh-quality, high-yieldadvanced growing methods and crop varieties that have salt tolerance.

The fifth is the Sunway · Taihu light super computer. Located in the National Supercomputing Center in Wuxi, the super computer has a calculation speed of 12.54 quadrillion times asecond.

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