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OUR PRODUCTS

Stard-gears is a leading global provider specializing in valve control technology. Application scenarios for our products include oil, chemical, natural gas, nuclear, and water.

Valve Gearboxes / Gear Operators

Valve Gearboxes / Gear Operators

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Pneumatic Actuators

Pneumatic Actuators

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  • Valve Gearboxes Advantages
  • Pneumatic Actuators Advantages
High-Precision Gearbox

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High-Precision Gearbox

The core parts of the product are processed by special equipment to meet the product precision requirements, and the product is self-locking internally.
Superior Sealing Performance

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Superior Sealing Performance

NBR seal (or special seal material) is used in connection parts of the productMost products can reach IP67 protection level
Modular Solutions

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Modular Solutions

The main categories are: power modules, drive modules and spring modules. They provide the flexibility needed for ever-changing challenges.
Higher Output Capacity And OEM Support

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Higher Output Capacity And OEM Support

Output torque can reach 230,000 Nm — Scotch Yoke Actuators
Maximum thrust can reach 380 KN — Linear Pneumatic Actuators

OUR KEY ADVANTAGES

Sophisticated and complete equipment configuration is a powerful guarantee for the manufacturing of high-quality products. Stard Automation owns high-precision CNC machine tools and machining centers, advanced equipment and testing facilities, and a leading R&D team composed of technical talents, all together laying a solid foundation for high-quality manufacturing.

ABOUT COMPANY

We are from Suzhou, China. The Yangtze River Delta region of China has a well-established and convenient supply chain, which ensures that our castings, machining capabilities, and spare parts procurement are advantageous at the same time. We are able to meet both fast delivery and better product quality.

Years of Experience
25

Years of Experience

Countries Works
20+

Countries Works

Clients Approvals
300+

Clients Approvals

Annual production

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cooperative partner

Stard-gears News

Spring-Return vs. Double-Acting: STARD GEARS as a Leading Scotch Yoke Actuator Manufacturer from China

When evaluating fail-safe and non-fail-safe operational strategies, industrial buyers depend on a Scotch Yoke Actuator Manufacturer that provides distinct solutions for both control paths. STARD GEARS offers both Spring-Return and Double-Acting configurations within the same YP Series, allowing p...

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How STARD GEARS, a Global Advanced Scotch Yoke Actuator Supplier, Supports Ball, Butterfly, and Plug Valves

When industrial procurement focuses on 90-degree valve automation, STARD GEARS acts as a Scotch Yoke Actuator Supplier that aligns precise torque curves with the distinct operational requirements of ball, butterfly, and plug valves through the YP Series. By offering both Symmetrical Yoke mechanis...

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STARD GEARS as a China Leading Scotch Yoke Actuator Manufacturer: Modular Power, Drive, and Spring Modules

When industrial buyers evaluate a Scotch Yoke Actuator Manufacturer based in China, STARD GEARS answers the demand through the YP Series, a platform defined by its modular architecture. By dividing the 90-degree valve automation process into distinct power, drive, and spring modules, the system c...

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Part-Turn Manual Gear Operator by STARD GEARS for Ball, Butterfly, And Plug Valves

STARD GEARS simplifies industrial flow control by manufacturing the specific Part-Turn Manual Gear Operator required to drive ball, butterfly, and plug valves safely and accurately. By distinguishing between the S008 fixed manual gearbox for primary operation and the SLJ declutchable manual overr...

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ESD Actuator Guidance by STARD GEARS for Safety-Focused Valve Automation Projects

When process plants require reliable fail-safe operation, STARD GEARS provides the mechanical foundation and quality control for safety-focused valve automation projects through its ESD Actuator solutions. Using YP Series spring-return Scotch Yoke mechanisms, torque testing, and staged quality co...

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MORE Spring-Return vs. Double-Acting: STARD GEARS as a Leading Scotch Yoke Actuator Manufacturer from China
Tue / 2026/Sep
MORE How STARD GEARS, a Global Advanced Scotch Yoke Actuator Supplier, Supports Ball, Butterfly, and Plug Valves
Mon / 2026/Sep
MORE STARD GEARS as a China Leading Scotch Yoke Actuator Manufacturer: Modular Power, Drive, and Spring Modules
Thu / 2026/Sep
MORE Part-Turn Manual Gear Operator by STARD GEARS for Ball, Butterfly, And Plug Valves
Wed / 2026/Sep
MORE ESD Actuator Guidance by STARD GEARS for Safety-Focused Valve Automation Projects
Thu / 2026/Sep