| Message: | Arda, from Turkey, has been purchasing hydraulic cartridge valves from China for 2 years smoothly. However, Arda has encountered difficulties in a hydraulic directional control cartridge valve. Last August, their company developed a mining hydraulic support, which requires hydraulic directional control cartridge valve. Arda purchased it from an old hydraulic cartridge valve manufacturer. The system impact was large during the equipment commissioning. After the engineer optimized the hydraulic system, the hydraulic directional control cartridge valve was required to have the secondary unloading function. The original manufacturer said that this hydraulic directional control cartridge valve is equivalent to a standard part of HydraForce, and the HydraForce original one has this function neither. Arda contacted other cartridge valve manufacturers, but no result. |
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