Oil RefiningOil Refining

Oil Refining

GasGas

Gas

Power PlantPower Plant

Power Plant

Coal ChemicalCoal Chemical

Coal Chemical

FirewaterFirewater

Firewater

FPSOFPSO

FPSO

MiningMining

Mining

Water treatmentWater treatment

Water treatment

  • 20 +
    Years of Experience
  • 60 +
    Custom Valve Designs
  • 180 +
    Esteemed Global Clients
  • 1800 +
    On-Time Deliveries

About WELKIN

WELKIN Company was founded in 2016 aiming at being international leading Valve manufacturer, committed to providing customers with customized Valve products and reliable Valve solutions.

Our product series includes Gate Valves, Globe Valves, Check Valves, Ball Valves,Butterfly Valves, and functional Valves(Control valves, Strainers, Knife Gate valves…)such as control and filter valves. Raw materials include cast iron, carbon steel, alloy steel, stainless steel, copper nickel alloy, Monel, etc.

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WEIKIN Products To the products WEIKIN Products To the products

WEIKIN Products To the products

TECHNOLOGYTECHNOLOGY

TECHNOLOGY

INDUSTRIESINDUSTRIES

INDUSTRIES

ENGINEER SERVICEENGINEER SERVICE

ENGINEER SERVICE

RESOURCE&SUPPORTRESOURCE&SUPPORT

RESOURCE&SUPPORT

DESIGN

At WELKIN,  Every valve is carefully developed to meet specific customer needs, with an emphasis on flow efficiency, structural integrity, and adaptability. From standard Gate Valves to complex Control Valves, we focus on intelligent customization to fit a wide range of industrial applications.



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QUALITY

WELKIN ensures uncompromising quality at every stage—from raw material selection to final inspection. Using cast iron, stainless steel, alloy steel, and special materials like Monel and copper nickel alloy, we manufacture valves built for reliability and longevity. Each product is subject to strict quality control and comprehensive performance testing to meet standards.


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TEST

Our in-house testing facilities are equipped with advanced machinery to conduct hydrostatic, pneumatic, and functional performance tests. Each valve undergoes pressure, sealing, and operational checks under simulated working conditions. With automated data logging and traceable inspection records, WELKIN guarantees consistent product reliability and total compliance with customer specifications.

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NEWS

Enhancing Safety with Valves in Gasoline Fueling Stations
01

Enhancing Safety with Valves in Gasoline Fueling Stations

2025/3/14 16:58:03
WELKIN provides industrial valves that prioritize safety and efficiency for gasoline fueling station...
Valve Selection in Phosphate Processing Plants
01

Valve Selection in Phosphate Processing Plants

2025/3/14 16:57:39
WELKIN specializes in industrial valve solutions that drive efficiency and reliability in phosphate ...
Optimizing Valve Selection for Seawater Desalination Plants
01

Optimizing Valve Selection for Seawater Desalination Plants

2025/3/14 16:56:46
WELKIN understands the critical role that valve selection plays in the efficiency and reliability of...
More News