Greenstone Mechanical Systems

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We manufacture steel tubes and special pieces in accordance with our customers. We also apply coverings inside and outside of tubes with high quality. We offer the service of hydrostatic tests in Plant and finished line, as well as the manufacture of dockages and interconnections We manufacture seamed coal steel pipe from 20" to 144" in diameter, thicknesses from 1/4" to 1" and lengths from 6.00 to 25.00 mts.