Open Tools

Hassle-Free, No registration — built for China Inspection Services and your entire supply chain.

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AQL Sampling Calculator

Instantly determine sample size and accept/reject numbers based on batch size and AQL standards.
Calculate
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Inspection Cost Estimator

Estimate man-days and USD cost by product category, item count, and AQL level.
Estimate
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Lead Time Calculator

Forward-calculate completion and arrival dates, or reverse-calculate the latest order date.
Calculate

Standards & Whitepapers

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PDF | 344 KB | Updated 2026-03-01
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PDF | 3.8 MB | Updated 2026-02-15
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PDF | 2.0 MB | Updated 2026-01-20
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PDF | 737 KB | Updated 2026-06-01
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PDF | 193 KB | Updated 2026-04-18
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PDF | 2.2 MB | Updated 2026-05-20
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PDF | 334 KB | Updated 2026-02-28
Download

QC Forms & Checklists

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Word | 55 KB | Updated 2026-06-01
Download
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Word | 55 KB | Updated 2026-06-01
Download
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Word (.docx) | 41 KB | Updated 2026-07-20
Download
📋
Excel | 10 KB | Updated 2026-04-22
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Excel | 10 KB | Updated 2026-03-15
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Sample Inspection Reports

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PDF | 5.1 MB | Updated 2026-08-04
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PDF | 2.4 MB | Updated 2026-08-10
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PDF | 5.7 MB | Updated 2026-08-04
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PDF | 1.8 MB | Updated 2026-09-04
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