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A Multi-stage QC: (1) incoming material inspection (material certs + sample testing), (2) in-process inspection (100% for critical dimensions), (3) final inspection (visual, dimensional, performance test per standard), (4) random third-party sampling (1 in 100–500 depending on part). Report provided with shipment.
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A Target defect rate: <0.5% (industry standard for automotive: 0–50 PPM). Recent performance (2023–2024): 0.2% average across all product lines. We track defect trends monthly and implement continuous improvement. Zero-defect target for OEM/critical applications.
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A Standard warranty: 12 months or 50,000 km (whichever comes first) from delivery date. Coverage: manufacturing defects, material failure under normal use. Exclusions: misuse, over-specification operating conditions, accidents, poor maintenance, unauthorized repair. Extended warranty available (24–36 months) at +10–20% cost.
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A Process: (1) contact Kingmay with photo/description within warranty period, (2) Kingmay approves and may request part return for root cause analysis, (3) if manufacturing defect confirmed, replacement or refund issued, (4) if due to misuse, warranty void (no refund but discounted repair available). Processing: 5–10 business days.
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A Yes. Spare parts availability: minimum 5 years after product end-of-life. Pricing: typically 10–20% above original unit cost (reflects lower volume). Lead time: 2–3 weeks for standard parts, custom parts up to 8 weeks. Obsolescence notice provided 1–2 years in advance.
