Cangzhou Hongtai Steel Pipe Co., Ltd. has eight advanced hot-rolled and cold-drawn production lines and two hot-expanding production lines. They have advanced performance and excellent fittings. They mostly produce a variety of DN10-DN159 seamless steel tubes and hot-expanding steel tubes. We can adjust product specifications according to customers" requirements. Moreover, we can also produce a variety of types of reducers to meet the requirements of clients.