Ningbo Yunsheng Movement Manufacturing Co. , Ltd. is a subsidiary of Yunsheng Holdings Group Co. , Ltd, Specializing in the design and development of eight tone piano movements, Production and marketing services, It is the first enterprise in China to invent the core patented technology for the manufacturing of the eight tone piano movement, After more than 30 years of development and continuous innovation, Annual production has been formed 3000 Production capacity of ten thousand eight tone pianos, The production and sales scale of the Ba Yin Qin ranks first in the world.