Ningbo Haihong Hydraulics Co., Ltd. locates east littoral of Zhejiang province-Ningbo Zhenhai Economic Development Zone, which is set up in 1992, specializes in manufacturing hydraulic thread cartridge valves, and passed ISO9001 quality system authentication in 2004. For over 10 years the company has been walking on the way of speciality and steady-develop.

As professional manufacturer, the thread cartridge valves manufacted by Haihong include Solenoid Valves, Proportion Control Valves, Pressure Control Valves, Counterbalance Valves, Restriction Valves.

Our development stratagem is company shares benefit with customs and reciprocate society