Why Quality Control Matters

● Meet specifications and industry standards every time.
● Detect defects early to cut scrap and avoid costly rework.
● Protect brand reputation and build long-term customer trust.

Key Quality Control Measures

Inspection
● Visual and dimensional checks (gauges/CMM/vision) before parts leave the line.

Statistical Process Control (SPC)
● Real-time data on critical dimensions to prevent drift and trigger corrective action.

Gauge Control
● Calibration and verification ensure measurement accuracy within tolerance.

Material Verification
● Certs and incoming tests confirm grade, hardness, and coating compliance.

In-Process Control & Documentation

● Control plans and work instructions at each station.
● First Article Inspection (FAI) and periodic sampling by risk level.
● Traceability: lot/heat numbers and operator/time stamps for auditability.
● Corrective/Preventive Actions (CAPA) logged with clear owners and due dates.

Benefits of an Effective QC System

● Improved product quality and uniformity across batches.
● Lower total cost via reduced scrap, rework, and warranty claims.
● Higher customer satisfaction and smoother audits (ISO/IATF readiness).

What We Do at Hongming Sheng

● IQC → IPQC → FQC with 100% checks on critical dimensions.
● Optional documentation: FAI/PPAP, material certs, RoHS/REACH statements.
● Continuous improvement using SPC trends and structured CAPA.