Brief:Hollow bar is a kind of thick wall seamless tube or pipe. In Chengxin, we can supply cold drawn hollor bars, hot rolled+deep hole bored hollow bars, and hot rolled or forged+deep hole drilled hollow bars for our customers, and machining & turning service as per drawing is available.
Brief:Precision steel tube is a kind of cold drawn or cold rolled steel tube with special surface quality or very tight size tolerance, and it is always customized.
Brief:Honed steel tube is a kind of smooth bore steel tube used to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder.
