Beijing Chengan Online Technology is a national high-tech enterprise delivering monitoring instruments, systems and cloud platforms for tailings dams, slopes, reservoirs, bridges and deep excavations — from sensors to full early-warning solutions.
Complete automated monitoring and early-warning systems designed to national and industry standards.

Deformation, phreatic line, water level, rainfall and dry beach length monitoring meeting national standards.
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GNSS surface displacement, in-place inclinometer, crack meters, radar and blasting vibration monitoring.
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Seepage pressure, settlement, displacement, water level and environmental monitoring for dams.
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Cable force, strain, displacement, tilt and vibration monitoring for long-span bridges.
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Settlement, tilt, crack and vibration monitoring for buildings and structures.
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Axial force, settlement, inclinometer and groundwater monitoring for deep excavations.
Learn more →Over 40 instruments covering displacement, tilt, vibration, stress, water and environmental monitoring.
Trusted across mining, hydropower, transport and municipal infrastructure.

Harbin Songjiang Copper-Zinc Mine tailings dam — deformation, phreatic line and rainfall monitoring.

Guizhou slope automated monitoring project — GNSS, crack meters and rain gauges.

Structural health monitoring of buildings and industrial facilities.
National High-Tech Enterprise and Zhongguancun High-Tech Enterprise, with independently developed sensors, data acquisition, software platforms and complete system integration capability.
Tell us your project — we will recommend the right instruments and system architecture.
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