Sales and ops
Email template library for RFQ, payment chase, claim response. Sample tracking log with CSV export. Supplier audit checklist generator. AQL Z1.4 sampling plan calculator.
- Email templatesLive
Email template library
6 battle-tested chemical-trade email templates: RFQ response, payment reminders (7-day soft + 21-day firm), QC claim response, lead-time slip apology, CO requirement check. AU English, no em-dashes.
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- Sample logLive
Sample tracking log
Browser-local sample log with 8 fields (date, supplier, product, courier, tracking, recipient, status, notes), CSV export, persistent across sessions.
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- Audit checklistLive
Supplier audit checklist generator
Generate an audit checklist by product category, ready to print and take to the factory floor.
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- AQL · Z1.4Live
AQL sampling plan calculator
ANSI Z1.4 / ISO 2859-1 Level II Normal Inspection. Lot size to code letter, sample size, accept/reject thresholds at AQL 1.0, 2.5, or 4.0.
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- Review worksheetLive
Sample to bulk qualification pack
Build a lab test request, sample custody record and batch handoff. Export editable Word, PDF and a records workbook.
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- Julian date · ExpiryLive
Julian date converter for lot codes and expiry
Decodes YYDDD and YYYYDDD lot codes to a calendar date with leap years handled, adds shelf life in months for the expiry date, and turns dates back into codes.
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- Reorder point · EOQLive
Reorder point, safety stock and EOQ calculator
Safety stock from service level, demand variation and lead time variation, the reorder point, and EOQ, with lead time from China in weeks.
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- WHO TRS 929 Annex 4Live
Drum sampling plan calculator (square root of N plus 1)
Enter the number of drums, bags or IBCs in a received lot to get the square root of N plus 1 count and the WHO TRS 929 n, p and r plans, with a random list of which containers to open.
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Ready to put this to work on a real order?
Tell us the chemical, grade and quantity. A person on our team in Shanghai sends you a real, checked factory, and your first one is free.
Sourzi shows what official files say. It is not customs or legal advice. For a binding answer, ask a licensed customs broker, a CBP ruling or an Australian Border Force Tariff Advice.
File dates and links are on Data sources.