BANNER1
BANNER2-1
lQDPJxdKfrV9ztXNA8_NB4CwUAy2iR-1yYgIXM4ms0T9AQ_1920_975

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

View More

Pneumatic Actuators

Pneumatic Actuators

View More

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

01

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

02

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

01

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

02

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

certificate4
certificate5
certificate
certificate2
certificate3

cooperative partner

Stard-gears News

Spring Return Pneumatic Actuator by STARD GEARS With Modular Power and Spring Design

The Spring Return Pneumatic Actuator manufactured by STARD GEARS provides a mechanical fail-position path under air-loss conditions through a pre-compressed spring module, establishing safe shutdown or opening sequences for industrial valves. Separating the power, drive, and spring units allows p...

LEARN MORE

STARD GEARS Oil and Gas Valve Actuator Solutions for Reliable Process Control

In the highly demanding and tightly regulated energy sector, process reliability is not merely an operational goal; it is a critical safety requirement. Pipelines, refineries, and distribution terminals face immense pressure fluctuations, extreme operating temperatures, and stringent process dema...

LEARN MORE

New Assembly Lines Under Construction at Suzhou SIP Stard Automation CO., LTD. – Boosting Capacity for Valve Gearboxes and Pneumatic Actuators

Suzhou SIP Stard Automation CO., LTD., the manufacturer behind the trusted Stard-Gears​ brand, is proud to announce the construction of two new dedicated product assembly lines at our facility. This strategic investment underscores our commitment to safety production, quality excellence, and fast...

LEARN MORE

How STARD GEARS Integrates a Cylinder into Modular Pneumatic Actuator Solutions

When evaluating valve automation for demanding industrial environments, buyers often question how the pneumatic power source is optimized for precise control. STARD GEARS integrates the Cylinder not as an off-the-shelf component, but as the dedicated power module within its modular YP series pneu...

LEARN MORE

IP68 Quarter Turn Gearboxes from STARD GEARS for Demanding Valve Control Environments

When industrial valve operation occurs in environments exposed to heavy moisture, flooding, or continuous weather, procuring Quarter Turn Gearboxes from STARD GEARS provides the mechanical protection necessary for long-term service. Through the highly capable S008 series, which covers an output t...

LEARN MORE
MORE Spring Return Pneumatic Actuator by STARD GEARS With Modular Power and Spring Design
Fri / 2026/Aug
MORE STARD GEARS Oil and Gas Valve Actuator Solutions for Reliable Process Control
Thu / 2026/Aug
MORE New Assembly Lines Under Construction at Suzhou SIP Stard Automation CO., LTD. – Boosting Capacity for Valve Gearboxes and Pneumatic Actuators
Tue / 2026/Aug
MORE How STARD GEARS Integrates a Cylinder into Modular Pneumatic Actuator Solutions
Sat / 2026/Aug
MORE IP68 Quarter Turn Gearboxes from STARD GEARS for Demanding Valve Control Environments
Wed / 2026/Aug