Quality Control

ISO9001 As Our Guidelines

Excellence Starts with the Details

JNOD factory has passed ISO 9001 certification and applied the principles as our guidelines in our daily manufacturing processes. From raw material inspection to manufacturing inspection, semi-finished products testing to finished products testing, we trust the power of standardized process.

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JNODs Heat Pump Factory 33

JNOD 4-Step Quality Management System

1
Raw Material Incoming Inspection
2
Semi-finished Product Inspection
3
Finished Product Inspection
4
Packaging Inspection

From Every Part of The Heat Pump

We care about the quality of heat pump. That’s why we focus on every detail of every component that makes up a perfect heat pump.

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Compressor

High-quality compressor designed for heat pumps

Motor

Reliable and stable heat pump motor

Heat Exchanger

Industry-standard plate heat exchanger

Evaporator

Efficient and high-performance evaporator

Valve

Top-brand supplier for our electronic expansion valve, three-way and four-way valves

Sheet Metal Structure

Robust and durable sheet metal structure

Rigorous Testing, Excellent Performance

We guarantee our heat pumps’ optimal performance through multiple tests carried out in our professional testing facilities, ensuring no quality issues occur before delivery.

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-35℃ Low Ambient Temperature Testing

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Enthalpy Difference Testing

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Constant Temperature & Humidity Testing

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Vibration Testing

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Noise Testing

P05 2 S04 温升测试近景

Temperature Rise Testing

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Pressure Resistance Testing

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EMC Testing

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IP Water Pouring Test

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Salt Spray Testing

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Aging Testing

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Simulation Testing

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Adhesion Testing

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Tensile Testing

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Leakage Testing

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Products Worry-Free Guarantee

We have extremely high requirements for the quality and performance of our products. Therefore, we promise that if you encounter any quality or performance issues after purchasing our products, we will provide the following services:

Our goal is to ensure that customers have a worry-free experience and are satisfied with our products and services. If you have any questions or need assistance, please feel free to contact our customer service team.

Certificates of Our Products