Quality Control

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Production Control

Strict testing is the guarantee of product quality

Each valve is manufactured in strict accordance with the relevant standards and customer requirements, and undergoes final inspection before shipment to ensure that the valve can operate safely in various complex working conditions.

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Quality Control Process

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Material Identification PMI

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Spectral Analysis
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Tensile Test

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Hardness Testing

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Design & Research
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Drawing Design

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Simulation Analysis

purchasing department

Material Purchasing

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Ultrasonic Testing
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Magnetic Particle Testing
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Liquid Penetrant

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Visual Inspection

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Dimensional Inspection
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Smart Robot

Horizontal Machining Center

Horizontal Machining Center

Vertical Machining Center

Vertical Machining Center

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CNC Machining

Dimensional Inspection

Dimensional Inspection

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Assembly

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Pressure Test

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Painting

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Painting Testing

packaging

Products Packaging

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Shipment

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Get In Touch

Welcome to Special Valve Group! As a leading manufacturer of high-performance valves, we specialize in custom solutions for industrial, oil & gas, and petrochemical applications. Whether you need technical consultation, product quotes, or after-sales support, our team is ready to assist. Feel free to email us at [email protected] or fill out the form below. We’ll respond to your inquiry within 24 hours.
Get A Quote
Welcome to Special Valve Group! As a leading manufacturer of high-performance valves, we specialize in custom solutions for industrial, oil & gas, and petrochemical applications. Whether you need technical consultation, product quotes, or after-sales support, our team is ready to assist. Feel free to email us at [email protected] or fill out the form below. We’ll respond to your inquiry within 24 hours.

Special Offer

20% off

on your first order

Welcome to Special Valve Group! As a leading manufacturer of high-performance valves, we specialize in custom solutions for industrial, oil & gas, and petrochemical applications. Whether you need technical consultation, product quotes, or after-sales support, our team is ready to assist. Feel free to email us at [email protected] or fill out the form below. We’ll respond to your inquiry within 24 hours.

Teji Valve Group Co., Ltd.
Teji Valve Group Co., Ltd.
Welcome to Special Valve Group! As a leading manufacturer of high-performance valves, we specialize in custom solutions for industrial, oil & gas, and petrochemical applications. Whether you need technical consultation, product quotes, or after-sales support, our team is ready to assist. Feel free to email us at [email protected] or fill out the form below. We’ll respond to your inquiry within 24 hours.