ChangZhou Dadi Surveying Science & Technology Co.，Ltd

ChangZhou Dadi Surveying Science & Technology Co.，Ltd The manufacturer of surveying equipment Since 1991

Changzhou Dadi Surveying Science & Technology Co., Ltd is a provincial-level technical enterprise in Jiangsu Province that has been located in the Changzhou Development Zone since 1991. We specialize in state-of-the-art surveying equipment, including the application of infrared laser/radar technology, the development of surveying software, and manufacturing surveying instruments. The main products

of Dadi include GM Series (Distance Meter), DE Series (electronic Theodolite), DTM Series (Total Station), DSP Series(range, safety guard, surveillance, traffic Radar), surveying accessories, covering all surveying equipment.

27/11/2025

Changzhou Dadi Surveying Science & Technology Co., Ltd (Founded in 1991)
Specialized in the design and of laser-based surveying instruments, continuously driving technological innovation.

Each year, the company invests in R&D and launches 3–5 new products, covering laser core technology development, safety-related applications, and innovative solutions for niche surveying sectors, providing stable and reliable products to the global surveying and engineering industries. Station # Theodolite product

DADI’s since 1991 Total Station DTM 624R
18/12/2024

DADI’s since 1991 Total Station DTM 624R

DADI’s since 1991 Total Station DTM 652R
13/12/2024

DADI’s since 1991 Total Station DTM 652R

DADI’s since 1991 Total Station DTM 752R
12/12/2024

DADI’s since 1991 Total Station DTM 752R

DADI’s since 1991 Total Station DTM 952R
05/12/2024

DADI’s since 1991 Total Station DTM 952R

18/11/2024

Changzhou Dadi Technology Co., Ltd. - Pipeline Straightness Detector, 2025 New Product

Pipelines are rarely perfectly straight due to factors such as production and transportation. However, in specific projects, the tolerance for pipeline straightness is extremely low. Our company has designed and manufactured this product to provide pipeline manufacturers with a higher standard for testing.

21/10/2024

DADI’s since 1991 new product

LASER PHOTOGRAPHY GUIDANCE SYSTEM
(DSD-3A)

Essential for Non-Excavation Pipe Jacking
Application Scenarios: Construction, Guidance, and Calibration of Small to Medium Underground Pipelines

1. Sewage network construction
2. Pipe curtain construction for tunnels and subways

-Excavation Engineering
Curtain Construction
Pipe Curtain Construction
to Construction Challenges and Supporting Equipment

DADI’s Since 1991 Theodolite ❤️
13/03/2024

DADI’s Since 1991 Theodolite ❤️

Address

5/F,Building 2.No.8,Qinling Road,Sanjing Subdistrict,Xinbei District
Changzhou
213022

Opening Hours

Monday 09:00 - 17:00
Tuesday 09:00 - 17:00
Wednesday 09:00 - 17:00
Thursday 09:00 - 17:00
Friday 09:00 - 17:00
Saturday 09:00 - 17:00

Telephone

+8618915003276

Website

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