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Kaka is from Brazil. When he left a message and his signature on AAK hydraulic valve website, I thought of Kaka playing football. He encountered confusion about the service life of the locally purchased hydraulic cartridge solenoid valve. Their hydraulic power unit requires the use of a hydraulic cartridge solenoid valve benchmarking HydraForce, and he purchased the existing copy stocks from a local hydraulic valve manufacturer in Brazil. 6 months later, there were complaints about severe wear and leakage of the cartridge solenoid valve body. The original cartridge solenoid valve manufacturer said that due to poor working conditions, the only solution is to replace the valves with new ones. But it wasn't long before the old problem recurred. The customer was very dissatisfied and requested that the service life of the cartridge solenoid valve be at least 1 year, but the original manufacturer did not cooperate, making Kaka anxious.
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Is this a real buying request?