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Justsun Machinery – Precision Engineering from China

Professional supplier of CNC lathes, machining centers, and specialized automation machines for radiators, fire extinguishers, valves, and universal joints. Over 10 years of export experience, strict quality control, and complete manufacturing processes.

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About Justsun

Jinhua Justsun Machinery Equipment Co., Ltd is a professional supplier of all kinds of machinery. With more than 10 years of export experience, a skillful team, complete manufacturing processes, and strict quality control, we provide good quality products and services to customers worldwide.

Our product range includes lathes, CNC lathes, machining centers, radiator special machines, universal joint cross special machines, fire extinguishing special machines, valve type special machines, and steel pipe punching machines.

10+
Years Experience
50+
Global Clients
100%
Quality Control
Factory Interior

Product Centre

Explore our wide range of high-precision machines designed for industrial efficiency, durability, and automation.

Fire Extinguishing Special Machine

Fire Extinguishing Special Machine

Special machine for making threading. Max. workpiece diameter: φ245mm. Workpiece length: 300–1015mm. All processing done via numerical programming. Most popular among fire extinguisher manufacturers.

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Valve Type Special Machine

Valve Type Special Machine

Suitable for 1/2" to 3" stainless steel and bronze gate valves. Dual power heads allow simultaneous processing. CNC feed with GSK928TEII system. High accuracy and efficiency.

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Radiator Special Machine

Radiator Special Machine

Specialized for aluminum radiators. Performs drilling, chamfering, turning, and threading in one setup. High precision and efficiency. Ideal for radiator manufacturing lines.

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CNC Lathe Machine CK630H

CNC Lathe Machine CK630H

High-precision CNC lathe for turning operations. Ideal for batch production of metal components. Stable structure, accurate control, and long service life.

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CK-360X750 CNC Lathe

CK-360X750 CNC Lathe

Heavy-duty CNC lathe with 360mm swing and 750mm center distance. Designed for high-speed, high-accuracy turning of complex metal parts.

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Universal Joint Cross CNC Machine

520X750 Universal Joint Cross CNC Machine

Specialized CNC machine for universal joint cross processing. High rigidity, precision spindle, and automated control for consistent output.

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Radiator Welding Machine

Radiator Welding Machine

Fully automated welding system for aluminum radiators. Ensures strong, leak-free joints with high repeatability and speed.

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Pipe Cutting Machine

Pipe Cutting Machine

High-speed pipe cutting machine for steel and aluminum pipes. Precision cutting with minimal material waste. Suitable for industrial pipelines and structural applications.

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Grinding Machine for Welded Cap

Grinding Machine for Welded Cap

Precision grinding machine designed for finishing welded caps. Ensures smooth surface finish and dimensional accuracy.

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Radiator Assembly Machine

Radiator Assembly Machine

Automated assembly line for radiator cores, tanks, and fittings. Increases productivity and reduces labor costs.

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Double Leak Testing Machine

Double Leak Testing Machine

Dual-chamber leak detection system for radiators and pressure vessels. High sensitivity and fast cycle time.

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Steel Pipe Punching Machine

Steel Pipe Punching Machine

High-force punching machine for creating holes in steel pipes. CNC-controlled positioning for accurate hole patterns.

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Why Choose Justsun?

We combine advanced technology, rigorous quality standards, and customer-focused service to deliver reliable industrial solutions.

Strict Quality Control

Every machine undergoes comprehensive testing and inspection to ensure durability, precision, and long-term performance.

Complete Process

From design and manufacturing to testing and packaging, we manage the entire production cycle in-house for maximum efficiency.

Global Support

With over a decade of export experience, we serve clients across Asia, Europe, Africa, and South America with responsive support.

10+
Years in Business
200+
Machines Sold
50+
Countries Served
99.8%
Customer Satisfaction

Frequently Asked Questions

What types of machines does Justsun manufacture?

We specialize in CNC lathes, machining centers, radiator special machines, fire extinguishing special machines, valve type special machines, universal joint cross machines, pipe cutting machines, and steel pipe punching machines.

Do you offer OEM/ODM services?

Yes, we provide ODM services and can customize machines based on specific client requirements and production needs.

What is your delivery time?

Delivery time typically ranges from 30 to 45 days depending on the machine type and customization level. We will provide an exact timeline upon order confirmation.

How do you ensure product quality?

We implement strict quality control at every stage — from raw material inspection to final testing. Each machine is fully tested before shipment.

Get in Touch

For inquiries, quotes, or technical support, reach out to us directly. We’re ready to assist with your industrial machinery needs.

[email protected]
+86 158 6893 3394
No.38, Chuangye Road, Economic Development Zone, Lanxi, Zhejiang, China
Online Service: salesmachine2000
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