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Inspection
We pay attention to inspecting products and adhere to the principle of "quality first, management first". Each product must be inspected by inspection equipment, such as industrial TV inspection equipment to check welds and appearance quality, magnetic flaw detectors to check defects in steel pipes, ultrasonic automatic continuous flaw detectors to detect transverse and longitudinal defects in welded steel pipes, x-ray automatic detectors and industrial TV imaging equipment to check internal quality, with a sensitivity of not less than 4%. X-ray film equipment to check the original welds and a sensitivity of not less than 2%. Hydraulic presses and microcomputer computer automatic recording systems to test the pressure quality of each steel pipe. Mechanical testing equipment includes hydraulic universal testing machines and computer control systems to test welds, including tensile, guided bending, grooving machines, Charpy impact test machines, various sample processing machines including lathes, grinding, planing grinders and chemical composition analysis, etc.
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