Product

Exclusively High-Quality Equipment.

About Us

For over several decades, Ben-Thomas has focused exclusively on the R&D and manufacturing of complete Metal Culvert Pipe Production Lines,Assembly corrugated metal pipe mill, Multi Plate Metal Culvert Pipe Production Line,Production Line for Culvert Structural Plate, establishing ourselves as the undisputed industry leader in China and one of the most respected names worldwide. As China’s Top 1 manufacturer in this specialized field, we deliver state-of-the-art Corrugated Metal Pipe Production Lines and full assembly line solutions that meet the highest international standards. Our equipment is running reliably on five continents, contributing to highways, railways, water conservancy projects, mining, and urban infrastructure around the globe. We actively participate in the world’s most influential industry exhibitions every year, allowing global clients to witness our latest technology and manufacturing strength firsthand.Hundreds of successful cases — from landmark domestic projects in China to large-scale international contracts in Southeast Asia, Middle East, Africa, South America, and Europe — stand as testament to our exceptional quality, reliability, and service. Choose Ben-Thomas, and you are partnering with the true industry benchmark.

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News

Company dynamics and industry news

Why Corrugated Metal Keeps Showing Up on Real Jobs
Why Corrugated Metal Keeps Showing Up on Real Jobs

News 2026-01-29 17

Flat sheet looks fine on paper. Then the first season hits and you get the calls – oil-canning on long runs, fasteners w...

Which Pipe Has the Longest Lifespan?
Which Pipe Has the Longest Lifespan?

News 2026-01-28 26

You don’t feel pipe life on bid day. You feel it years later when a line starts leaking, the ground settles, or a road c...

Steel Pipe vs. HDPE Pipe – What Actually Matters in the Field
Steel Pipe vs. HDPE Pipe – What Actually Matters in the Field

News 2026-01-27 39

Pipe selection looks clean on drawings.In the field, problems show up later—after settlement, seasonal change, or years ...

What Is the Advantage of Corrugated Pipe?
What Is the Advantage of Corrugated Pipe?

News 2026-01-19 129

Why Corrugated Pipe Keeps Solving Underground Failures Buried pipe failures follow a familiar pattern. Installation look...