Jinyin Group has two series of product lines: “JY2000” series is the popular product of gold music at this stage. He better meets the needs of beginners of musical instruments. "EVA" series is a professional customized product of Jinyin Group. It belongs to the middle and high-end product series. Once it was launched, it has won unanimous praise from many famous performers and musical instrument enthusiasts. Its manufacturing process has reached the technical standard of international famous brands.