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Ningbo Haihong Hydraulics Co., Ltd was founded in 1992,which is one of China leading manufacturers of Hydraulic Screw-in Cartridge Valves.Our products including cartridge solenoid valves,counterbalance valves,relief valves,cartridge check valves,manual directional control valves and custom manifolds block etc.
In 2004, Haihong Hydraulics has gained ISO9001 quality system authentication. For over 15 years,we have been walking on the way of specialty and steady-development.
If you have any requirement,please feel free to contact us.
Looking forward to having cooperation with you in the near future!
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