100% QUALITY ASSURANCE COMMITMENT

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We strictly accordance wih the ISO 9001 quality management system for on-site management, has obtained lSO 9001, ISO 14001, ISO45001, CE, AAA level credit rating certificaton,etc Our products have been inspected and approved by SGS,BV,MOODY,TUBOSCOPE and other international authoritative third-party organizations.

1. Raw materal inspection: dimension and tolerance check appearance qualty 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 fectoy: 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 customer's requirments.