RIH Pneumatic (Yueqing) Co., Ltd. - Based in Wengyang, Yueqing Economic Development Zone.
Pneumatic Components – One-Stop Automation Solutions & System Integration

Pneumatic Components
Today, pneumatic components are used in virtually every industry, and the demand for efficient, cost-effective automation solutions continues to grow steadily.
Pneumatic components refer to devices that perform work through the force generated by air pressure or expansion—that is, mechanisms that convert compressed air energy into kinetic energy. Examples include cylinders, steam engines, and similar equipment. They represent a form of power transmission and energy conversion devices that utilize gas pressure to transfer energy.
We place strategic focus on key industries such as: automotive manufacturing, secondary batteries (lithium batteries), semiconductor manufacturing, LCD panels, LED light sources, solar cells, biomedicine, medical devices, food packaging, woodworking machinery, and process control. As China's industrial upgrading and structural transformation accelerate, and as the pace of industrial automation quickens, the domestic high-end equipment sector urgently requires a large number of new-generation pneumatic components and related technologies.
Advantages of Pneumatic Components:
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Compact, lightweight, energy-efficient, and environmentally friendly
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High-speed, high-frequency, and high-precision operation
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Wide product variety and excellent cost-performance ratio
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Enhanced safety and reliability
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Integrated sensing technology
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Mechatronics–pneumatics integration and intelligent capabilities
Disadvantages of Pneumatic Components:
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Due to the compressibility of air, cylinder movement speed is susceptible to changes in load; this can be overcome by adopting a pneumatic-hydraulic combined approach.
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At low speeds, because friction accounts for a relatively large proportion of thrust, the low-speed stability of cylinders is inferior to that of hydraulic cylinders.
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Although cylinder output force meets working requirements in many applications, its output force is generally smaller than that of hydraulic cylinders.
Major Global Brands of Pneumatic Components:
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Japan: CKD, SMC, TAIYO, KOGANEI, SUMITOMO
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Korea: PMC Korea, YSC Pneumatic, SANG-A Fittings & Tubing
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USA: HONEYWELL, MAC Pneumatic, ROSS Pneumatic, ASCO Pneumatic, ACE Pneumatic, CPC Pneumatic
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Germany: FESTO, BURKERT, REXROTH, GSR High-Pressure Solenoid Valves
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UK: NORGREN Pneumatic, SPIRAX SARCO, Eurotherm
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France: LEGRIS Fittings, Tubing, Valves, etc.
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Taiwan (China): Airtac, Chelic, Yushun, MINDMAN, SUNWELL, SHAKO, MODENTIC, Xingye Valve
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Italy: ODE Solenoid Valves, GEFRAN
However, domestic Chinese brands are of uneven quality, and many players tend to compete solely on price in order to survive.
There is a certain tendency among some domestic manufacturers: rather than focusing on product excellence, they drive prices to the bottom, taking small gains as a source of complacency—unaware that they are gradually undermining their own future. Today, with rising consumer purchasing power and higher standards of appreciation, continuing to produce low-quality products is not only a waste of resources, but also a challenge to consumer tolerance—and an irresponsible act toward both the industry and our own future.
The ultimate victims are the users, who progressively lose trust in domestic brands and turn instead to foreign counterparts.
Ruiheng Pneumatic is a company dedicated to the production and R&D of pneumatic components for many years, serving customers with high-quality demands. Our products are exported to many developed industrial regions in Europe and the Americas. Remarkably, 90% of our customers make payment upfront without ever having met us in person. Our product service life is more than twice that of industry peers. The spark of our cooperation has only just begun—sales are not the endpoint; genuine service starts from the heart.