Qingdao Dutelongdi Cast Iron Co., Ltd. is a leading provider of top-quality hydraulic cylinder rods worldwide. We carry the products you need, and our in-stock inventory can be shipped out the same day to reduce costly downtime. As a supplier of standard and metric hydraulic cylinder tubes, we offer competitive pricing and quick turnaround. Our expansive line of products is able to withstand the harshest applications and can be cut to fit your exact specifications. We currently offer bars and other products in a variety of alloys and diameters.