Marlin not only provide complete engineering solutions, maintenance and replacement of parts has gradually become a part of the company's business. The DYNEX pump valves have been operating and sold in China for twenty or thirty years, which means that more and more pumps and valves have needed to enter the phase of renewal. From receiving the call to prepare parts to the scene arrangement requires only a week's time, Manli employees use one day to complete the two marine DYNEX engine high-pressure pump maintenance and replacement of parts, fast speed, quality and quantity to complete the task.