Offshore Equipment

Professional Manufacturer of Hydrophones & OBC Dual Sensors

Focus on equipment of transition zone in water area.

"Because of our attention on it, so we are professional!"

ETL Technology

About ETL (Tianjin) Science & Technology

ETL (Tianjin) Science & Technology Development Co., Ltd. is headquartered in northern China's largest international port city – Tianjin. We are a high-end equipment manufacturing company, developing and producing various types of geophysical hydrophones, data transmission cables, and related equipments.

We have rich technology and experience of marine operations and offshore oil exploration. We are also professional suppliers of equipment applied on beach, shallow sea, and transition zones. Our OBC dual-sensors and hydrophones applied on geophysical exploration possess international advanced levels.

We are well-equipped, skilled, accurate, and dedicated to providing clients with top-ranking technology and service in the world.

Product Categories

High-quality Geophysical Equipment and Sensors

Geophone YG-10&32

Geophone YG-10 & 32

High precision geophones for seismic exploration.

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Hydrophone YH-25&35

Hydrophone YH-25 & 35

Advanced hydrophones for marine geophysical data acquisition.

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Dual Sensor YS-C

Dual Sensor YS-C / YS-A&B

Multi-component sensors for OBC (Ocean Bottom Cable) applications.

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Connectors & Cables

Connectors & Cables

YC-ULS Cable, Water-Proof Connector (YWPC-A, B, D).

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Transverse Repeater

YH-TREP and related transmission equipment.

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All Products

View our full catalog of geophysical exploration equipment.

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Contact Us

We are dedicated to providing clients with top ranking technology and service. Contact us for inquiries about our Hydrophones and OBC Dual Sensors.

6A Baogang Building, 100 Weidi Road, He Xi District, Tianjin, China.

+86 15219468200

+86 22-60541543