About HES
Since 1989, HES manufactures pneumatic actuators & fluid control valves, delivering reliable automation solutions for global industrial clients.
Contact HES ↗Thirty Years of Focus on Reliable Control
Founded in 1989, HES manufactures pneumatic actuators & automatic control valves. Equipped with precision workshops and full testing facilities, we supply rack-and-pinion, scotch-yoke & linear actuators, plus pneumatic butterfly, ball, gate, control and shutoff valves.
We deliver products from single actuators to full valve packages. Supported by solid production capability, strict QC and fast response, we serve chemical, petrochemical, power, water treatment and metallurgy clients worldwide.
Browse All Products →
More Than Three Decades of Commitment
Why Choose HES
Comprehensive Product Range
AT rack-and-pinion, HG/AW scotch-yoke actuators plus butterfly, ball, gate & control valves for all working conditions.
Rigorous Quality Control
In-house precision lines & full test gear. Every actuator tested pre-shipment, full-process QC guarantees stable quality.
Fast Delivery
Standard workshops & sufficient stock. Fast delivery for standard items, flexible response for custom orders.
Global Project Support
Exported to 50+ countries. We follow local flange & electrical standards for compliant overseas valve solutions.
Technical Service
Our team offers one-on-one selection consultation & custom solutions, with full-process technical support.
Comprehensive Qualifications
1. Certifications & patents available. Products meet ISO, CE standards for chemical, oil & gas and other high-risk industries.
More Than Three Decades of Progress
The Beginning
The HES team began developing and manufacturing pneumatic actuators and pneumatic control valves, taking its first steps in fluid control.
Company Established
HES founded in Wenzhou. Launched upgraded QGH pneumatic actuators, starting branded business.
Technical Breakthrough
2nd-gen GT pneumatic actuator developed. Awarded Longwan District High-Tech Enterprise.
Brand Development
Renamed to Zhejiang HES Automatic Instrument & Valve Co., Ltd., evolving into a provincial enterprise.
Expansion to Shanghai
Shanghai Shangtai founded in Jinshan Industrial Park. DRSC & HG series actuators launched into production.
Building the Brand
Granted Longwan Well-Known Trademark, Contract-abiding Enterprise, and Zhejiang SME High-Tech Enterprise certifications.
Comprehensive Qualifications
Acquired TS manufacturing license & High-Tech Enterprise certification; standardized QC system.
Product Range Expansion
Full pneumatic control valve line launched. Butterfly, ball, gate & control valves mass-produced for complete actuator-valve packages.
Production Line Upgrade
Expanded precision workshop, added CNC centers & auto test lines; boosted capacity and quality control.
Growth in Scale
Factory expanded to 14,000㎡. ISO 9001 certified, boosting our manufacturing strength.
Global Development
Products available in 50+ countries, serving 3,000+ global clients with reliable industrial automation solutions.
Ready to upgrade your automated fluid-control system?
Standard or custom solutions for harsh conditions. HES technical team supports your project.