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Deep Ocean

Explore Deep Blue · Precise Perception

Focused on R&D and manufacturing of marine instrumentation, providing high-precision technical equipment for ocean exploration.

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About Us

Xiamen Halocline Technology Co., Ltd. was established in 2025 by a core technical team with over a decade of experience in instrument R&D, environmental monitoring, and marine technology. The company focuses on the research, development, production, and full lifecycle technical services for underwater intelligent measurement and navigation equipment, including ADCP (Acoustic Doppler Current Profilers), water quality analyzers (multi-parameter water quality analyzers and nutrient salt analyzers), and DVL (Doppler Velocity Logs). These solutions are widely used in ocean, lake, and river applications.

  • Holds multiple core technology patents
  • 10+ years of industry experience
  • Domestic substitution of core components
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R&D Team

Popular Products

ADCP Acoustic Doppler Current Profiler

ADCP Acoustic Doppler Current Profiler

Non-contact water velocity profile measurement, ideal for oceanographic surveys

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DVL Doppler Velocimeter

DVL Doppler Velocity Log

High-Precision Underwater Vehicle Navigation, Positioning, and Velocity Measurement

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Single-point Current Meter

Single-point Current Meter

Real-time monitoring of single-point current speed and direction with stable, reliable data.

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Water Quality Detector

Water Quality Detector

Multi-parameter online water quality monitoring supporting pH, dissolved oxygen, turbidity, and more

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App Testing

ADCP Performance Test

ADCP Performance Test

Synchronized comparison test of Yanyue ADCP and RDI ADCP in Dongshan waters, Fujian: measurement results show high consistency.

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DVL Performance Testing

DVL Performance Testing

600kHz phased DVL performance test: bottom-track velocity closely matches GPS measured velocity.

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News & Insights

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Official Announcement: The Hardcore Team Specializing in Domestic Hydrological Measurement Equipment, Xiamen Yanyue Technology, Has Arrived!
Company News
2026/7/7

Official Announcement: The hardcore team specializing in domestic hydrological measurement equipment, Xiamen Yanyue Technology, is officially here!

Driven by the mission to break foreign technology barriers and empower domestic equipment to take on critical roles, we specialize in developing and manufacturing ADCP (Acoustic Doppler Current Profilers) and DVL (Doppler Velocity Logs). We also provide full-lifecycle technical support from pre-sales to after-sales, ensuring our domestic solutions reliably handle measurement and navigation tasks across oceans, lakes, and rivers.

Deep-sea navigation breakthrough! Integrated underwater navigation system—equipping submersibles with a "precision compass."
Company News
2026/7/7

Deep-sea Navigation Breakthrough! All-in-One Deep-Sea Navigator: Equips AUVs with a "Precision Compass"

In the pitch-black depths, ROVs and AUVs face extreme challenges in maintaining stable navigation—akin to walking alone in total darkness without guidance. An integrated deep-sea combined navigation system, purpose-built for underwater vehicles like ROVs and AUVs, acts as a reliable beacon, ensuring every dive is precise and fully controllable.

Field-tested, game-changing! YanYue ADCP outperforms imports in Dongshan Sea benchmark
Company News
2026/7/7

Field-tested and breakthrough: YanYue ADCP benchmarks against imports in Dongshan waters, matching top-tier performance

In hydrological surveys, ocean observations, and underwater navigation, the structural design of ADCP/DVL systems directly impacts device compatibility and user experience. The Salinity-Stratified Phased Array ADCP/DVL leverages phased array technology to deliver significant breakthroughs in size, installation flexibility, and accuracy compared to traditional piston-array products.

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