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Adgar from Russia is an old customer of AAK. Recently, he introduced me a customer named Coko. This should be the 4th time for Adgar to introduce me new customers. Coko’s company has developed a hydraulic power unit for aviation systems, but encountered accuracy issues when purchasing hydraulic cartridge valves. In early March of this year, Coko purchased a high-precision hydraulic cartridge valve from an old supplier. But the equipment debugging was not smooth, and the root cause was that the cylindricity of the hydraulic cartridge valve spool exceeded 0.8µm, while the accuracy also exceeded 4µm. The engineer requested that the cylindricity of the hydraulic cartridge valve spool be controlled within 0.3µm and the accuracy be within 2µm, but the original hydraulic cartridge valve manufacturer gave up. After a week of sourcing, there was no manufacturer who is willing to try.
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Is this a real buying request?