The Mid-Autumn Festival (alias: Midautumn, autumn evening, August Festival, August half, English name: Midautumn Festival) is also known as the festival of the moon, moonlight birthday, moon evening, autumn Festival, Autumn Festival, worship of the moon Festival, moon Festival, Moon Festival, Reunion Festival, etc., is one of the four traditional Chinese festivals, the date in the lunar calendar on August 15.

    The Mid-Autumn Festival, engraved with history, began with the "Zhou Rites", flourished in the Tang Dynasty, to the Ming and Qing dynasties, is the second largest traditional festival after the Spring Festival.

Full moon, family reunion. Belonging - Yes, the Chinese people give the meaning of the full moon, from ancient times to the present, far and wide.

    GRAEFF is a British multinational corporation specializing in the research and development, production, and sales of pressure sensors, melt pressure sensors, temperature sensors, industrial sensors, intelligent sensors, flow sensors, intelligent sensors, displacement sensors, liquid level sensors, pressure and temperature control instruments, pressure gauges, heaters, laser technology, pressure and temperature calibration systems, the Internet of Things, and automation control systems.