Ningbo Yunsheng Movement Manufacturing Co., Ltd. is a subsidiary of Yunsheng Holding Group Co., LTD., specializing in the design, development, production and marketing services of eight-tone piano movement. It is the first enterprise in China to invent the core patented technology of eight-tone piano movement manufacturing. The production and sales scale of the eight-tone piano ranks first in the world.

The company is a national intellectual property advantage enterprise, a national high-tech enterprise, a hidden champion enterprise in Zhejiang Province, a three-level enterprise of national safety production standardization, a four-star enterprise of Ningbo Enterprise Management Innovation, a small and medium-sized enterprise of Ningbo "specialized and special", and a positive list enterprise of safety and environmental protection in Ningbo. ISO9001, ISO14001, ISO45001 system certification enterprises.

The company has provincial high-tech enterprise R & D center and Ningbo enterprise (engineering) technology center, presided over the drafting of QB/T4889 "Octave movement Technical requirements" and T/ZZB1717 "Octave movement" standard, presided over the completion of "Octave movement robotized flexible automatic assembly line" national 863 scientific research program project. "Robotized flexible automatic assembly line of precision movement" and "Research on frequency control high-precision micro-machining technology and its application in mass production" were awarded the first prize of Science and Technology Progress of Zhejiang Province. The company has applied for more than 80 patents at home and abroad, and "the bonding method and equipment of the sound board of mechanical singing device" won the China Patent Excellence Award.

YUNSHEN brand was awarded the title of famous trademark in Zhejiang Province, YUNSHEN brand eight-tone piano series products won the title of famous brand products in Zhejiang Province, Yunshen brand eight-tone piano won the gold medal of Brussels "Eureka" World Invention Exhibition, the gold medal of the 12th National Invention Exhibition, awarded the Chinese enterprise brand innovation achievements and Zhejiang Enterprise brand Innovation Achievements Award. It has been listed in the recommended catalogue of Ningbo Quality products for years.