Gainesville, Texas-based Petroflex North America LLC is turning scrap from its high density polyethylene conduit ... 24/7 to produce smooth wall and corrugated conduit up to 6 inches in diameter ...
Advance Drainage Systems, Inc. (ADS) added a fourth manufacturing line to its plant in Saint-Germain, Quebec, to produce large-diameter corrugated pipe out of high density polyethylene.
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