Prime steel pipe attach importance to the quality of carbon steel pipes and fittings, that professional purchasing team is stationed in the production frontline for QA and prompt delivery. Every product will be quality re-assured and key product’s manufacturing procedures will be monitored wholly from raw materials to delivery.

The production and inspection technological process of our company is arranged according to production standards, and we also establishes professional inspection organization which takes charge of the quality inspection of all process from raw material into the company to the final product store up. Inspections including inspection of inside seam, X-ray inspection, hudrostatic test ,visual inspection, and so on. The laboratory also equipped with advanced inspection equipment, such as direct reading  spectrometer, digital tensile testing machine, online-ultrasonic test equipment and X-ray inspection equipment.