| Message: | At the beginning of the year, Torsten, an old customer of AAK, was in urgent need of 200 hydraulic directional control valves and specially emphasized delivery within 30 days. I felt Torsten was in big trouble. Torsten from the Netherlands has cooperated with AAK for 5 years. In case of trouble, basically, he consults me first. It turned out that their hydraulic pipe jacking machine was complained by customers half a year after sales. During construction, the equipment suddenly dropped. The problem was that the hydraulic directional control valve leaked, causing the hydraulic system not to maintain pressure. The manufacturer of the original hydraulic pressure directional control valves was willing to replace the faulty hydraulic directional control valves for free. However, there were more and more complaints later, and the manufacturer was helpless. The boss was very angry and requested Torsten to re source a reliable hydraulic valve manufacturer with a guarantee of more than 1 year service life. Torsten was under big pressure.
According to the hydraulic directional control valve drawing sent by Torsten, the pressure resistance is 380bar. The leakage of the original hydraulic directional control valve is caused by wear. If there is no wear, material selection is the key. Due to time constraints, Torsten did not ask AAK to make samples first, but directly produce 200 hydraulic directional control valves on-line. I think this should be Torsten's trust in AAK. After 30 days, AAK delivered 200 hydraulic directional control valves.
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