| Message: | Leo from Germany, who had been successful in the purchase of hydraulic valves, recently lost confidence in an order for hydraulic relief valves. During the test phase, when the pressure of the hydraulic relief valve sample is below 250bar, the system operates normally. Once it exceeds 250bar, the hydraulic relief valve will leak oil and the pressure will be unstable. After several debugging by their professional technicians, the oil will still leak when the pressure is high. After disassembling the hydraulic relief valves, no abnormality was found, but the O-ring was slightly scratched or the position was slightly offset, which may be the cause of oil leakage. The original hydraulic pressure relief valve manufacturer said that the O-ring material is synthetic rubber with the best anti-aging and oil resistance. It is the most suitable medium for this working condition. The assembly is also completed by 5 years of skilled workers. More new samples of hydraulic relief valves were tested, but they still leaks when the pressure is high.
Leo believes that the O-ring seal of the hydraulic relief valve is improperly assembled, so it is urgent to find a reliable hydraulic relief valve manufacturer to re-produce it, otherwise there is a risk of shipping by air. Leo contacted more than 10 factories in 3 days, but none of them guaranteed that the sealing ring will be 100% free of displacement and scratches after assembly. The customer has been pushing for the progress of the approval samples, but Leo hasn't even determined the manufacturer. How can he take it easy?
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Is this a real buying request?