Changheng was established in 1995. With more than 15 years’development and great efforts,Changheng has become one of the biggest manufacturers in the field of Agricultural PTO shaft. Changheng is committed to management principle of Clients’ need comes first. The results are an intergrated line of products designed and manufactured to satisfy the requirements of our customers. Our products have enjoyed a high reputation in the world for their good quality and reasonable price.