| Message: | Eustace is from Greece and is still in the probationary period. He almost switched jobs due to a hydraulic cartridge relief valve that has high requirement on roughness. At the beginning of this year, their customer customized a hydraulic manifold, and all hydraulic cartridge valves needed to be purchased by Eustace, except for hydraulic cartridge relief valves. Everything else went smoothly. The original manufacturer sent samples 3 times, but the roughness of the surface of the hydraulic cartridge relief valve spool and cage still cannot meet the requirements of Ra0.1. Eustace was complained about several times by their chief engineer due to delays in procurement time.
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