How is your production management and quality control system?

Our factory operates under a strict ISO 9001:2015 Quality Management System. Our 3-stage QC process includes:

IQC (Incoming Quality Control): Spectral analysis of raw brass/steel materials.
IPQC (In-Process Quality Control): Frequent checks during CNC machining and polishing.
FQC (Final Quality Control): 100% leakage testing and cosmetic inspection.
Transparency: We welcome you or a third-party agency (like SGS/TUV) to audit our workshop at any time.