Premium Refrigeration Valve Manufacturer

Committed To Promoting The Quality Process Of The Valve Industry

Quality as Foundation

We integrate precision into every valve we manufacture, ensuring unmatched reliability and performance.

01

User as Priority

We build lasting partnerships by providing tailored solutions and exceptional service that exceeds expectations.

02

Environmental Friendliness

Our sustainable practices and energy-efficient products contribute to a greener industrial future.

03

Technology Leadership

Through continuous R&D and innovation, we pioneer the next generation of valve technology.

04
13 Years Experience

International Dofun

Green Refrigeration

Amid rapid production expansion and rising costs from growing product variety, Dofun launched the DOFUN-CTP modular shared platform. It cuts costs, boosts market responsiveness, and enables globally compliant products tailored to diverse needs. Through modular design, the platform allows component sharing while supporting customization in appearance and connection dimensions.

  • Standardized parts effectively reduce inventory costs.
  • Different functions are achieved through quick switching of modules without the need for pipeline disassembly.
  • It simplifies the selection process and increases flexibility in system design, installation, and maintenance.

Our Products

We fully understand the critical challenges within key industries, which is why we prioritize reliability and durability above all — empowering you to make every decision with full confidence.

 

All Products

Energy & Chemicals

Under extreme operating conditions involving low temperature, high pressure, and strong corrosion, our valves ensure continuous and safe operation of energy production and chemical processes.

Defense & Security

We provide specialized valves with exceptional performance and absolute reliability under extreme conditions for the defense and military sectors, serving the critical mission of national strategic security.

Heavy Industry & Resources

Facing the heavy-load and high-wear challenges of the mining and metallurgy industries, we provide robust and durable product solutions to ensure efficient and stable resource extraction and processing.

Public Welfare & Health

We provide precision valves that meet stringent hygiene standards for the food and pharmaceutical industries, safeguarding safety and health from the production line to the end consumer.

Thermal Control & Specialized Environments

As a core component in the refrigeration field, our products are dedicated to achieving precise temperature control and energy efficiency management, ensuring a stable and reliable cooling source for various systems.

Discover more about us through our videos.

The true meaning of Dofun is not just to achieve what we want in our hearts, but to finely carve every Dofun product into a metal artwork, which will be our goal of continuous struggle. Dofun, only do better!

Shandong Dofun Refrigeration Technology Co., Ltd.​ is located in the culturally rich and picturesque canal city of Liaocheng. The company operates from a modern facility spanning more than 30 acres, with over 10,000 square meters of workshop space. It is equipped with several globally advanced valve production lines and testing platforms, blending modern industrial capability with the charm of ancient heritage.

Our main products include pressure regulating valve, pneumatic valve, solenoid valve, stop valve, regulating valve, check valve, stop check valve, filter, motor valve, oil temperature regulating valve, valve station, etc., Our products have more than 30 invention patents. The company has strong technical strength, excellent production equipment, and complete testing methods. The valve products made of various materials are widely used in refrigeration, petrochemical, refining, nuclear power, chemical, metallurgical, mining, medicine, food, national defense, military and other fields.

Clients Reviews

Feedback from our global partners. These testimonials are not only an acknowledgment of our products and services but also the driving force behind our relentless pursuit of excellence.