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Premium Surveying Instruments from China

High-precision Total Stations, Auto Levels, Theodolites & GNSS RTK Systems — engineered for accuracy, durability, and performance in construction, land surveying, and civil engineering.

Who We Are

Celebrating 21 years of excellence in precision surveying instruments manufacturing.

GEO-ALLEN Co., Ltd.

Founded in 2002 in Suzhou, Jiangsu Province — just 80km from Shanghai — GEO-ALLEN has grown into a trusted global supplier of high-quality surveying instruments. Suzhou, known as “heaven on earth,” is not only a city of beauty but also a hub of advanced manufacturing and innovation.

With over two decades of experience, we specialize in the design, production, and export of Total Station Survey Instruments, Auto Level Survey Instruments, Theodolites, Laser Instruments, GNSS RTK systems, and a full range of surveying accessories.

Our mission is simple: deliver the best quality, best service, and best prices to every customer worldwide.

Why Choose GEO-ALLEN?

  • 21+ Years of Industry Experience
  • ISO9001:2008 Certified (DNV)
  • Global Distribution to 80+ Countries
  • OEM/ODM Services Available
  • Factory Direct Pricing
  • Fast Response & Technical Support

Our Premium Products

Engineered for precision, durability, and performance in the field.

RTS-862I Non Prism 800m Total Station

  • Color: Green/Gray
  • Accuracy: 2"
  • Prismless Range: 800m
View Details

Air Damping GAL Serial 28X Auto Level

  • Color: Red/Green
  • Magnification: 20X–32X
  • Image: Erect
View Details

2" Digital Laser DT-02L Theodolite

  • Accuracy: 2" or 5"
  • Color: Yellow
  • Magnification: 30X
View Details

Rotating Laser FRE102B

  • Operation Range: Dia 600m
  • Color: Yellow/Orange
  • Rotating Speed: 0/100/300/600 RPM
View Details

GTS-342R10A Touchscreen Total Station

  • Prismless Range: 1000m
  • Features: Bluetooth, Touchscreen
  • Brand: GEOALLEN
View Details

Aluminum Bar Code Staff DL202

  • Type: Digital Auto Level Machine
  • Compatibility: Digital Levels
  • Material: Aluminum
View Details

FIOF Brand A90 GNSS Receiver

  • Channels: 800
  • Type: Intelligent GNSS Receiver
  • Application: RTK Surveying
View Details

30mm Mini 360° Prism

  • Type: Prism Surveying Accessory
  • Size: 30mm
  • Use: Total Station Measurements
View Details

Quality Control

Committed to excellence in every instrument we produce.

At GEO-ALLEN, quality is not an afterthought — it's built into every stage of production. We adhere to strict international standards and have been ISO9001 certified by DNV since 2008, ensuring consistent quality across all our products.

Our quality assurance team conducts rigorous testing on optical clarity, mechanical durability, electronic calibration, and environmental resistance (IP54/IP56 ratings). Each instrument is inspected for accuracy, stability, and long-term reliability before shipment.

21+
Years of Manufacturing Excellence
ISO
ISO9001:2008 Certified
80+
Countries Served

By The Numbers

70+
Products Available
21
Years in Business
80+
Global Markets
100%
Quality Inspected

Frequently Asked Questions

Everything you need to know about our products and services.

Where is GEO-ALLEN located?

Our headquarters and factory are located in Suzhou, Jiangsu Province, China — just 80km from Shanghai.

Are your products ISO certified?

Yes, we passed the ISO9001:2008 certification from DNV Business Assurance in 2008 and maintain strict quality control standards.

Do you offer OEM/ODM services?

Yes, we provide OEM and ODM services for bulk orders. Custom branding, packaging, and technical modifications are available.

What is your lead time for orders?

Typical lead time is 7–15 days depending on order size and customization. We offer fast shipping via DHL, FedEx, or sea freight.

How can I request a quote?

Visit geo-allen.com and click “Request A Quote” or contact us directly through the website.

Get in Touch

Have questions about our surveying instruments? We're here to help.

Visit Official Website

For direct inquiries, please use the contact form on the official website.

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