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Dedicated in Valve Automation Solution
Rotary & Linear, Pneumatic & Hydraulic
Brand Quality Service

PST Partial Stroke Testing

PST Partial Stroke Testing is a very good safety measure that can set periodic partial stroke action tests to ensure the normal operation of the control valve.
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Zero Touch Solutions

Fire Protection System

Bigtork® actuators and control systems can be customized with flexible fire-resistant covers, metal fire-resistant covers, and other fire-resistant solutions to work in fire or extremely high temperature environments.
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Why Choose Us

  • Stable Quality
    19+ & 14+ Years Experience
    BIGTORK not only focus on manufacturing Rotary & Linear and Pneumatic & Hydraulic valve actuator, but also offering one industry process control solution since founded by Mr zhang in 2006. We have 18+ extended production experience and 14+ extensive globle project undergo.
  • Strong R&D Ability
    Our team involves 6 engineers who owns domestic and oversea project work experience. We supply 100% technical support and problem solution for whole product life. Size selection tool that self owned software is avaivable for every clients.
  • Strong Supply Capacity
    We have 4 complete series production line for valve actuator which expend to annual 60000pcs output. Introducing latest generation CNC machine centers and CNC lathes etc high-precision machining equipment to enhance manufacture speed and product accuracy.
  • Quality Assurance
    All series products strictly controlled with 9 processes by ISO and other system. The business partner of the raw material and components are profession major which supply for world renowned brand. A product warranty was provided with final testing and test report accordance with international product standards.
  • One Stop Service
    Bigtork offer OEM & ODM services according to your requests from pre-sale to after-sale period. Each project has its own sale service tracking records. Each staffs is well trained to master proficient skill and full professional knowledge to support industry flow control one stop solution service.
  • OEM and ODM service
    Brand Effect
    Bigtork worked with whole world valve and actuator major several years, and gradually develop its inpendent own brand BIGTORK which had a good reputation in clients. We built a rapid order and delivery processing management to assure your project progress. Futhermore we will genuine in cost accounting to reduce your budget.
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about us
about our company

ZHEJIANG BIGTORK VALVE AUTOMATION CO,.LTD

  • ZHEJIANG BIGTORK VALVE AUTOMATION CO,.LTD was located in famous pump and valve manufacturer base--Wenzhou City, China since founded by Mr zhang in 2006. Bigtork® take part in domestic and oversea gas and oil project in 2011, and now have a extensive experience in industry valve automation and flow control. Company has signed framement agreement with SINOPEC and CNOOC as qualified Pneumatic Actuator supplier. Meanwhile, we are the reliable business partner of foreign world famous brand.
  • 19+

    Years of History

  • 20000

    Covers an area of

  • 60000

    Production Capacity

about company

Popular Products

It has five production bases for intelligent products, ceramic sanitary ware, bathroom cabinets, hardware faucets, shower rooms and bathtubs.
Pneumatic Actuator WithBall Valve

Pneumatic Actuator WithBall Valve

This is a rack-and-pinion pneumatic actuator designed for
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AT190 SR Spring-returnpneumatic Actuator

AT190 SR Spring-returnpneumatic Actuator

The AT190SR spring-return pneumatic actuator features a
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Single-acting Rack-and-pinion Pneumatic Actuator

Single-acting Rack-and-pinion Pneumatic Actuator

The AT Series pneumatic actuators feature a rack-and-pinion
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FC Linear Pneumatic Actuator

FC Linear Pneumatic Actuator

This series of actuators consists of single-acting,
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Latest News
News Center
BIGTORK To Exhibit At OGU 2026 in Tashkent On May 12–14
Apr 25, 2026
BIGTORK To Exhibit At OGU 2026 in Tashkent On May 12–14
BIGTORK is pleased to announce its participation in OGU 2026 — the 28th Uzbekistan International Oil & Gas Exhibition...
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20~24 900LB API6DX ZSOR SPECIAL ACTUATORS FOR ORBIT BALL VALVE -BIGTORK VALVE AUTOMATION
Mar 14, 2026
20~24 900LB API6DX ZSOR SPECIAL ACTUATORS FOR ORBIT BALL VALVE -BIGTORK VALVE AUTOMATION
20"~24" 900LB API6DX ZSOR SPECIAL ACTUATORS FOR ORBIT BALL VALVE -BIGTORK VALVE AUTOMATION -- ZSOR special ...
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ESDV/BDV PNEUMATIC SCOTCH YOKE ACTUATOR -BIGTORK VALVE AUTOMATION
Mar 13, 2026
ESDV/BDV PNEUMATIC SCOTCH YOKE ACTUATOR -BIGTORK VALVE AUTOMATION
BIGTORK , a rare actuator brand tailored for Middle Eastern NOCs, launches ESDV/BDV pneumatic scotch-yoke actuators e...
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Empowering Global Industry: Bigtork Awarded National High-Tech Enterprise Certification
Jan 31, 2026
Empowering Global Industry: Bigtork Awarded National High-Tech Enterprise Certification
Bigtork is proud to announce the official receipt of the National High-Tech Enterprise Certification. This significan...
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Service
On-sales manufacturing, inspection and on-time delivery
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