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Precision Testing & Measurement Solutions

High-quality Tensile Testing Machines, Climatic Chambers, Vacuum Furnaces, and Medical Devices from Dongguan, China. Trusted by global industries since 2009.

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Who We Are

Founded in 2009, Dongguan FREETO Medical Technology Co., Ltd. has rapidly grown into a trusted manufacturer of precision testing equipment and medical devices. Operating under the principles of integrity and innovation, we serve clients across industries including automotive, aerospace, electronics, and healthcare.

Our brand, FREETO®, has earned a global reputation for reliability, accuracy, and responsive customer service. We specialize in OEM and ODM solutions, offering customized engineering support to meet specific industrial requirements.

14+ Years Experience

Since 2009

Global Reach

Export to 50+ Countries

Factory Interior

Quality Assurance

We are committed to excellence in every product we manufacture.

Strict QC Protocols

Every machine undergoes rigorous testing for accuracy, durability, and performance before shipment.

On-Time Shipment

We ensure timely delivery with efficient logistics and production planning.

Customer Satisfaction

Regular surveys and feedback loops help us improve continuously.

Our Products

From tensile testers to climatic chambers and medical pulse oximeters, we offer a wide range of precision instruments built for performance and reliability.

Tensile Testing Machine

Universal Tensile Testing Machine

  • Capacity: 5kN to 300KN
  • Sensor: Load Cell
  • Resolution: 1/100,000
  • Control: PC & Touch Screen
  • Origin: Dongguan, China
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Vision System

Programmable Vision Measurement System

  • Type: Precision Measurement
  • Application: Quality Inspection
  • Support: OEM/ODM
  • Origin: China
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Climatic Chamber

Programmable Climate Chamber

  • Volume: 480L
  • Temp Range: -70°C to +150°C
  • Humidity: ±5.0% RH
  • Control: Touch Screen PID
  • Power: 220V/380V
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Pulse Oximeter

Fingertip Pulse Oximeter - Large OLED

  • Display: OLED
  • Power: Auto 35mA
  • Measurement: SpO2 & Pulse Rate
  • Approvals: CE, ROHS
  • Use: Home & Hospital
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Digital Pulse Oximeter

Digital Tube Pulse Oximeter

  • Power: 1.5V x 2
  • Standards: FCC, ROHS
  • Function: Oxygen Saturation
  • Display: Digital Tube
  • Application: Home Monitoring
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Vacuum Furnace

Laboratory Vacuum Muffle Furnace

  • Max Temp: 1200°C to 1700°C
  • Application: Heat Treatment
  • Power: 120KW, 380V
  • Material: Stainless Steel
  • Control: PID SSR
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Drop Test Machine

Electronic Packaging Drop Test Machine

  • Drop Height: 0–1500mm
  • Control: Touch Screen / PC
  • Power: 220V 50/60Hz
  • Application: Packaging Testing
  • Origin: Dongguan, China
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Radiation Monitor

Portable Neutron Radiation Detector

  • Model: NSN3
  • Range: 0.025eV ~ 15MeV
  • Interface: USB
  • Use: Nuclear & Biochemistry
  • Portability: Handheld
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View All 310+ Products

Why Choose O2-Machines?

OEM & ODM Support

Custom engineering and manufacturing to meet your exact specifications.

3-Year Warranty

Extended coverage for peace of mind and long-term reliability.

Global Shipping

Fast and secure delivery to over 50 countries worldwide.

24/7 Support

Dedicated team ready to assist with technical and sales inquiries.

310+
Test Chambers
148
Tensile Machines
90
Climatic Chambers
2009
Founded

Customer Reviews

"The box structure is beautiful and generous, and the use of no reaction handle, simple operation, temperature and humidity stable operation, high accuracy. Explain the operation method of the equipment in detail, very good."

— Masood Rehman

"I must confess you have a brilliant customer relations skills and I am learning from you. I tell you if you want to see how beautiful Zambia in Africa."

— Dr. Claude Villette, France

"Thanks always giving me good products. Thanks for your effort you done before. Your friend from Egypt."

— Waleed, Egypt

Get in Touch

Ready to discuss your project or need a quote? Contact us through our official website.

Visit Official Website

Headquarters: Dongguan, Guangdong, China

Building 3, No. 10, Longxi Road, Nancheng Street

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