Founded in 1992 years, Maanshan YN Machinery Co., Ltd.("YN machinery" hereinafter) is an enterprise specialized in designing, R&D, manufacturing and marketing of various couplings and it’s accessories, locating at Maanshan city of Anhui province.

At present, our product range includes universal coupling (cardan shaft), gear coupling, flexible coupling, diaphragm coupling and so on which are extensively applied to many industrial sections such as mine, lifting, electricity, metallurgy, papermaking, petroleum etc.