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Our address: Main Buildings at 102 E. Railroad Ave., Knoxville, PA 16928
Main Buildings at 102 E. Railroad Ave., Knoxville, PA 16928
Phones: +15704046968
Double Standing seam roof panel machine SS4E-15

The portable roof panel roll forming machine is intended to run multiple panel profiles providing you with roofing in various widths and shapes.

Double Standing seam roof panel machine SS4E-15
Industrial spiral tube former TF1500S

Advance model of the Industrial Spiral tube former TF1500S combines operation with Flexible and Fixed molds, Disc and Saw cutting.

Industrial spiral tube former TF1500S
Our products

Welcome to Stangroup US website! 

Stangroup is a company with over ten years experience in fields of engineering, building and service of various custom sheet metal forming machinery and equipment. Main fields of operation: HVAC, Downspout, Roofing, Roll-forming, Metal Spinning and Bending machines. For present moment company represented in four countries: United States, China, Russia and Ukraine.


The US branch DBA Liberty Seamless Machinery

We'll be glad to be a partner in your business development.