Having been working in the mechanical manufacturing industry for so many years, we often hear customers complaining to us: "The equipment has been running for a long time, and the pipe connections always have problems like 'leaking, dripping and spilling'." "When transporting high-temperature heat-conducting oil, we are unsure and afraid of any safety accidents." "The rotation is not smooth, causing the equipment to have excessive torque." In fact, these problems can be easily solved by a high-quality DN rotary joint.