| Message: | Uistan comes from a hydraulic equipment manufacturing company in New Zealand, and has been in the company for 3 years. At the beginning of this year, an old customer of their company wanted to place the reorder for last customized hydraulic hoist, but required the stability to be increased by 10%. Their engineers required that: the hydraulic cylinder has a rod cavity, which is controlled by pressure; Rod less chamber, controlled by flow. Therefore, the hydraulic cartridge pressure control valve must have flow control and pressure control functions. Uistan contacted the original manufacturer to optimize the hydraulic cartridge pressure control valve, but the manufacturer was unable to do it. Uistan contacted more than 10 hydraulic cartridge valve manufacturers, but they were all not confident to guarantee that the hydraulic cartridge pressure control valve has both flow and pressure control functions. The engineer urged the progress several times, and Uistan was worried. |
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