Shandong China Coal Import & Export Co., Ltd.

The speed of slow return is caused by dowty retarder piston ring seal failure and hydraulic oil leakage. Due to the relative sliding between the dowty retarder piston and the retarder sliding cylinder

High-load series dowty retarder equipment is divided into high-load dowty retarder, high-load parking dowty retarder, and high-load controllable dowty retarder. The main models are TDJ2006, TDJ2000, T

Whether the installation of the stud bolts of the dowty retarder meets the requirements has a great internal relationship to ensure the normal operation of the dowty retarder and improve the service l

I don't know if you have any idea about the "false dowty retarder" of dowty retarder. Let's introduce how the "false dowty retarder" of dowty retarder is.

How to use the hydraulic oil of the dowty retarder correctly has a great effect on the working efficiency of the dowty retarder and prolonging the service life. It also plays a significant preventive

we must think of ways to extend the service life of steel rails to alleviate the massive waste of steel. Now let’s tell you how to do so. The service life of the steel rails?