# PPAP for Aluminum Castings: What Buyers Need from a China Supplier
PPAP for aluminum castings is not just a paperwork request. It connects the drawing, casting route, tooling, machining datums, material records, inspection methods, sample approval, and production controls into one buyer approval package.
What to define before quotation
Buyers should tell the supplier:
RFQ CTA
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- •required PPAP level or customer-specific format
- •drawing revision and special characteristics
- •material, heat treatment, and traceability needs
- •CMM scope and datum scheme
- •leak testing, X-ray, or functional test scope if applicable
- •sample quantity and pilot-run expectation
- •retention and record-submission rules
What the supplier should clarify
Ask the supplier which PPAP elements it can support directly, which depend on subcontracted processes, and which require buyer-provided forms or customer-specific requirements.
Bohua RFQ path
Bohua can review PPAP-oriented aluminum casting RFQs for document scope, CMM reports, material records, process controls, and sample approval planning. Send drawings and approval requirements through the formal RFQ form.
Project CTA
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