Quality Assurance

Our quality assurance system is certified in accordance with the ISO 9001 standards. An independent quality assurance department is responsible for all working procedures required to ensure that all manufacturing processes are carried out in accordance with international technical delivery conditions like ASTM/ASME, EN, API and with the customer specifications.

1.Raw material inspection: dimension and tolerance check, appearance quality check, mechanical properties testing, weight check and raw materials quality assurance certificate check

2.Semi-finished goods inspection: physical and chemical inspection, leakage magnetism and ultrasonic inspection

3.Finished goods inspection: dimension and tolerance, appearance quality check and mechanical properties testing

4.Inspection before ex-factory: We arrange our QC staff to manufacture’s plant for final quality and packing inspection each time before we deliver goods to port for shipping, and the connected sales staff will be with QC staff to make sure we did everything fully and strictly meet our customers’ requirements.