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Quality Control

Xinhaisen Technology Limited: Rigorous Quality Control from Raw Materials to Delivery

Xinhaisen Technology Limited implements a meticulous, certification-driven quality management system aligned with ISO 9001, ISO 14001, and IATF 16949 standards, ensuring excellence at every stage:

1.Material Sourcing & Inspection:

All raw materials (stainless steel, copper alloys, etc.) are sourced from certified suppliers, with batch-specific chemical composition verification via XRF spectroscopy.
Compliance with RoHS/REACH and material traceability documentation are strictly enforced.

2.In-Process Control:

Real-time monitoring of critical parameters (e.g., etching depth, welding temperature) using automated systems and statistical process control (SPC) tools.
Dimensional accuracy checks with optical comparators and CMMs (Coordinate Measuring Machines) at defined intervals.

3.Final Product Verification:

100% functional testing (e.g., tensile strength, leak tests) and visual inspection per customer specifications.
IATF 16949-compliant PPAP (Production Part Approval Process) for automotive components.

4.Packaging & Shipping:

Anti-corrosion treatments and customized packaging to prevent transit damage.
Final audit with quality certificates and full documentation (COC, material reports) included.

5.Continuous Improvement:

Closed-loop corrective actions (CAPA) based on defect analysis and customer feedback.
Eco-conscious practices (ISO 14001) minimize waste and energy consumption.

Our integrated ERP/MES systems ensure full traceability, while dedicated QA teams guarantee that every product meets global regulatory and performance benchmarks.