| Message: | Halian, from Sweden, has been engaged in the procurement of hydraulic components for 5 years. She began to purchase hydraulic cartridge valves from Ningbo last year, and was upset by the first purchase for a hydraulic cartridge relief valve. At the beginning of last year, their hydraulic power unit failed due to the blockage of the hydraulic cartridge relief valve she purchased from Ningbo. The original hydraulic cartridge relief valve manufacturer reported that the hydraulic oil was not clean, but after replacement, the old problem occurred again in 5 months. Halian thought that the manufacturing quality of the original hydraulic cartridge relief valve was not up to standard, so she contacted a new hydraulic cartridge relief valve manufacturer. |
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