| Message: | Maverick comes from a hydraulic equipment company in the United States. He has been very successful in the purchase of hydraulic valves, but fell over on the hydraulic check valves purchased last year. At the end of last year, the hydraulic system of a batch of excavators shipped to Vietnam was prone to heat, and the output power was insufficient and unstable. Users were very dissatisfied with such excavators. According to the working conditions of the excavators, the after-sales engineer judged that the hydraulic check valves were abnormal. After disassembling the hydraulic check valves, it was found that the tolerance of form and position of the valve spool and the valve hole is inconsistent, and it was also found that the valve spool was stuck, causing the excavator to be abnormal.
The engineer asked Maverick to replenish 50 hydraulic check valves to solve user complaints. Maverick contacted the original manufacturer of the hydraulic check valves, and the manufacturer agreed. A week later, the engineer replaced the abnormal hydraulic check valves, but 10 days later, another excavator had the same abnormality. At this time, Maverick realized the problem. No one could accept the long-term and high-frequency after-sales replacement, so he had to find a new hydraulic check valve manufacturer.
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