Steel pipe standard specification. 1. Pipe standard English meaning standard english meaning GB/T 8162-1987 seamless steel pipes for structural purposes A134-96(2001) standard specification for pipe,steel, electric-fusion (arc)-welded(sizes NPS 16 an...
We strictly enforce the ISO9001 quality management system, we have strictly management system for the materials purchasing, production, inspection, packaging, and the delivery.
We have a set of advanced inspection equipment to ensure the high quality of the steel pipe.