Quality Control
NQA IATF 16949 · ISO 9001:2015 · 3 utility patents · 10-step QC · 10 in-house inspection instruments.
From Ingot to Shipment — Every Step Counts
- 01IQC
Incoming material spectrometer check; alloy & supplier certificate verification.
- 02Mold Trial
First-article approval on T1; CMM & metallographic sampling.
- 03In-line IPQC
Dimensional & visual check every 50 pieces; patrol check every 2 hours.
- 04Process FMEA
Process Failure Mode & Effect Analysis for critical parts.
- 05Surface Check
Adhesion, thickness, color & gloss for anodized / coated parts.
- 06Mechanical Test
Hardness, tensile, elongation on T1 and every batch.
- 07X-ray / NDT
X-ray & penetrant testing for safety-critical parts.
- 08Metallography
Microstructure analysis on demand.
- 09Final OQC
100% visual & functional inspection before packing.
- 10Traceability
Heat number, batch, operator, machine — full digital record.
Audited & Recognized
Passed NQA IATF 16949 certification and EIA report, in line with management norms and environmental compliance.
ISO 9001:2015 Quality Management System
Issued to Dongguan LvDeWang Hardware Products Co., Ltd. — covering design, production and sales of aluminum castings.
No.: C057906Q View certificate →
Utility Model Patent — Gravity Casting Mold
Granted to Dongguan LvDeWang Hardware Products Co., Ltd. — Patent No. 2022201511019
No.: CN 2022201511019 View certificate →
Utility Model Patent — Gravity Casting Venting System
Granted to Dongguan LvDeWang Hardware Products Co., Ltd. — Patent No. 202220150106X
No.: CN 202220150106X View certificate →
Utility Model Patent — Ejector Mechanism & Mold
Granted to Dongguan LvDeWang Hardware Products Co., Ltd. — Patent No. 2022201511023
No.: CN 2022201511023 View certificate →