Hangzhou Papaya trading CO.,LTD . is a modern enterprise that combines development, design, manufacture, sale and service, and its products include all kinds of PTO shaft ,universal joint ,drive shaft .yoke for farm tractor and fastener (bolt,nut,washer) ,. We have formed our specialty production system: forging, foundry, mechanism processing, and heat treatment. Our products have been sold as far as Europe, America and Middle East and all over the world. Our company has won high reputation among customers with its first grade quality and reasonable price.