Cangzhou Tianhai Steel Pipe is a deep-processing steel pipe enterprise in the Jingjinji region. Located in the southeastern part of Hebei Province, Cangzhou is east of the Bohai Sea, north of Beijing and Tianjin, and faces the Shandong Peninsula and Liaodong Peninsula across the sea. It is 240 kilometers from the capital Beijing, 120 kilometers from Tianjin, and 221 kilometers from the provincial capital Shijiazhuang. Cangzhou is situated in the central area of the Bohai Rim, designated as one of the "two rings" (ringing Beijing-Tianjin and the Bohai Sea) opening-up frontiers by Hebei Province. It is also a strategic transportation hub connecting Beijing-Tianjin to the eastern coastal regions.

Based on our production and operation of steel pipes, our team and equipment have developed ultrasonic detection pipes for concrete pile foundations, pier cooling pipes, grouting pipes, and subgrade settlement plates. Our ultrasonic detection pipe products mainly include: clamping-type, spiral-type, and sleeve-type detection pipes. The pile foundation detection pipes utilize O-rings for reliable sealing and feature excellent tensile and torsional resistance. These products strictly adhere to the "Technical Requirements for Steel Thin-Walled Ultrasonic Detection Pipes for Concrete Grouting Piles" i.e., "J1/1705-2007." They are widely used in major national projects such as high-speed rail, expressways, high-rise buildings, and ports. With our superior product quality, ample inventory, quick and timely transportation, and excellent after-sales service, we have established long-term cooperative relationships with large state-owned enterprises like China Railway, China Communications Construction Corporation, China Power Investment Corporation, and China State Construction Engineering Corporation.

We will always adhere to the principle of "Quality First, Customer Supreme," providing excellent acoustic pipe products for both national pile foundation construction and our extensive customer base, striving to become a leading Chinese manufacturer of pile foundation acoustic pipes.