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DoFun Refrigeration Technology

DoFun Refrigeration

DOFUN Valve, Making Excellent Products Only!

ShanDong DoFun Refrigeration Technology Co., Ltd.

ShanDong DoFun Refrigeration Technology Co., Ltd.

The company covering an area of over 30 mu, and with an industrial park of over 50 mu in Yantai, has a registered capital of 50 million RMB. It owns a modern factory of over 10000 square meters and multiple world's advanced valve production lines and experimental text board.

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ShanDong DoFun Refrigeration Technology Co., Ltd.

DOFUN Valve, Making Excellent Products Only!

DOFUN is the top China brand in the refrigeration valves industry field !
Compared with international famous brands, the quality of DOFUN valve products is the same as theirs, but the price is only half or even one third of theirs.
Compared with domestic competitors, high quality products are our tireless pursuit. Our self-confidence comes from the strict control of each process and the high quality requirement for each part of the product.

DOFUN is the top China brand in the refrigeration valves industry field !

Compared with international famous brands, the quality of DOFUN valve products is the same as theirs, but the price is only half or even one third of theirs.

Compared with international famous brands, the quality of DOFUN valve products is the same as theirs, but the price is only half or even one third of theirs.

Compared with domestic competitors, high quality products are our tireless pursuit. Our self-confidence comes from the strict control of each process and the high quality requirement for each part of the product.

Compared with domestic competitors, high quality products are our tireless pursuit. Our self-confidence comes from the strict control of each process and the high quality requirement for each part of the product.

Product structure, valve rod surface treatment process, valve riser design and so on have national patents.

Product structure, valve rod surface treatment process, valve riser design and so on have national patents.

DOFUN Valve, Making Excellent Products Only!

Certificate More+

Certificate

How Do I Choose a Solenoid Valve?

Apr. 16, 2021
How Does the Refrigerant Check Valve Work?

Apr. 07, 2021
What Is a Shut off Valve?

Mar. 17, 2021
What Is a Check Valve Used for?

Mar. 09, 2021
What Is the Difference between a Overflow Valve and a Pressure Reducing Valve?

Feb. 24, 2021
How to Troubleshoot the Solenoid Valve?

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How to Maintain the Pneumatic Valve?

Jan. 27, 2021
What are the Classifications of Stop Valve?

Jan. 13, 2021
What Are the Common Causes of Overflow Valve Failure?

Dec. 17, 2020
How to Use Electric Valves Correctly?

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How to Select Control Valve Materials?

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Nov. 18, 2020
Safe Operation of Refrigeration Valves

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Safe Operation of Refrigeration System Blowdown and Leak Detection

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Blowdown of Refrigeration System

Oct. 14, 2020
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Sep. 25, 2020
How to Select the Throttling Mechanism of the Cold Storage Refrigeration Device?

Sep. 14, 2020
Introduction of Refrigerant System

Aug. 29, 2020
Why Should These Refrigeration Stop Valves Be Low in and High out?

Aug. 11, 2020
Installation Method of Valve in Industrial Chiller Refrigeration System

Jul. 24, 2020
Common Fault Causes and Troubleshooting of Refrigeration Solenoid Valve (Part 2)

Jul. 22, 2020
Common Fault Causes and Troubleshooting of Refrigeration Solenoid Valve (Part 1)

Jul. 07, 2020
Safe Operation of Refrigeration Valves

Jun. 20, 2020
Do You Know the Function of These Refrigeration Valves?

Jun. 13, 2020
Principle of Stop Valve

May. 15, 2020
The brightest star in the exhibition, DOFUN Technology Valve is on display at Singapore Jinsha Exhibition

Nov. 22, 2019
Singaporean Winfinity (S'pore) Co., Ltd. joins in the agency of DOFUN Valve

Nov. 20, 2019