Caleb is an old customer of AAK in Mexico and has purchased hydraulic cartridge valves from AAK for 4 years. At the end of last year, he emailed me to discuss 3 issues related to hydraulic pilot operated relief valves.
Monroe is from Sweden and has been purchasing hydraulic threaded cartridge valves from Ningbo for 3 years. In January of this year, their customer wanted to place a repeat order for one of their hydraulic unit equipment,
Bauer is from Brazil and has purchased hydraulic cartridge valves from AAK 6 times. In the second half of last year, they developed a drilling equipment. The hydraulic pressure control cartridge valve used on the equipment was sampled from a local hydraulic cartridge valve manufacturer in Brazil.
Beacan is from Egypt and has been purchased from hydraulic cartridge valve manufacturers in China for 1 year. In December of last year, a batch of their hydraulic pilot-operated cartridge relief valves was complained of large pressure fluctuations by customer.