Taylor suddenly emailed us to ask if we can deliver 110 hydraulic diverter valves within 20 days? As the purchasing manager of Caterpillar, Taylor has cooperated with AAK for several years, but since the last half year, there has been only inquiry and no actual order. There must be a reason for this urgent hydraulic diverter valve order. Taylor said that the customer complained that their excavator was weak. The hydraulic diverter valves used in the excavator were abnormal. Their engineers found that the valve spool of the hydraulic diverter valve was stuck, so they had to re purchase new hydraulic diverter valves for replacement. The customer asked them to replace these hydraulic diverter valves within 1 month. This time was very tight, and Taylor didn't have any confidence about it at all.
The original manufacturer considered that the residues in the valve were due to the unclean hydraulic oil used, and was unwilling to offer free replacement for the hydraulic diverter valves. He only can accept to produce the hydraulic diverter valves for another new order, but it would take 35 days to complete it. After disassembling the hydraulic diverter valve, the Caterpillar engineer found that there were a few fine metal particles left on the contact surface between the valve spool and the valve sleeve, and no particles were found in the hydraulic oil. These particles were caused by incomplete cleaning of the hydraulic diverter valve after processing, but the original manufacturer still denied it. Taylor had to contact other hydraulic diverter valve manufacturers, including several local factories in the United States. Unfortunately, none of them were able to complete the production of 110 hydraulic diverter valves in 20 days. This is why Taylor emailed to AAK. He regretted to save 20% of the price, resulted in the current embarrassing situation.
We don't know whether we can complete the production of 110 hydraulic diverter valves within 20 days. One day later, we advised Taylor that we are 90% confident that we can complete the production of this batch of hydraulic diverter valves. This hydraulic diverter valve is just very close to another one that we produced for a German company. We still have the stock materials, but only need to adjust the size slightly. This can save some time. After 20 days, the 110 excavator hydraulic diverter valves were successfully delivered, and their company successfully replaced the hydraulic diverter valves. The customer was very satisfied with their after-sales speed, and Taylor was finally relieved.
AAK hydraulic diverter valve strictly controls and tests each production process, especially the cleaning in the valve is clean. We use the ultrasonic cleaning machine imported from Japan, which converts the sound energy of the power ultrasonic frequency source into mechanical vibration through the transducer, and rad
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