Manufacturer of cartridge valves, control valves, hydraulic motors, hydraulic power system, htdraulic pumps. SGS ISO 9001: 2000 certification and CE certification.

Ningbo Hairisen Hydraulic Co., Ltd. has been a professional manufacturer of hydraulic valves for many years, such as hydraulic relief valves, hydraulic Directional valves, hydraulic flow control valves, hyperpressure valves, modular Valve, throttle check Valve, pressure swtich Valve.

Betten Machinery is built to develop the overseas business of Boli Hydraulic & Pneumatic Technology Co., Ltd which is known as a professional manufacturer of hydraulic Cylinder，Hydraulic Spare Parts, Hydraulic Pump Station and Pneumatic Cylinder in East China. Our factory cover an area of over 5000 square meters and have around 100 stuff including a technical team with more than 20 engineers. Our workshop equipped with over 30 sets of manufacturing and testing machines including machining center, numerical control machine, argon welding machine, plasma cutter etc. Betten has gained the certification of ISO 9001：2008 and certification of Product Quality Supervision and Inspection Center of Wuxi City. Meanwhile, Betten also got customers’ satisfaction for reasonable price, timely delivery...

Founded in 2001, Ningbo Shuangda Hydraulic Machinery Co., Ltd. is a high-tech enterprise which is specialized in producing all kinds hydraulic units and hydraulic systems. With a coverage area of 12000㎡, Now we have more than 40 sets of kinds of metal machining equipment, such as machining centers, CNC machining equipment, high-precision cylindrical grinders, vertical honing machines and so on. Besides, we have more than 10 sets of testing and metering equipment, such as regular Valve test bench, proportional Valve test bench, special Valve test bench, pneumatic measuring instruments and so on. For more than 10 years’ development, now Ningbo Shuangda Hydraulic Machinery Co., Ltd has had more than 25 million RMB real asset and gained a strong ability on R&D and mass production of all kinds...