Buyer Resources
Aluminum Casting RFQ Resources for Buyers
Use these buyer resources to prepare a clearer aluminum casting RFQ, organize drawing details, compare process options, and decide what to send before requesting a supplier review.
RFQ evidence paths
Choose your RFQ path
Start from the buyer problem, not from a generic form
If a buyer lands here from search, the fastest next step is to match their sourcing question with the quote route that already asks for the right drawings, tests, tooling, and comparison context.
Drawings and volume are ready
Drawing package RFQ review
Use this path when the PDF or STEP package, alloy target, annual volume, machining scope, and inspection notes are ready for supplier review.
Start drawing RFQ →Supplier comparison is the question
Casting supplier comparison
Use this path when the buyer is screening cost, quality, delivery, documentation, tooling, second-source risk, or supplier approval evidence.
Compare suppliers →Pressure-tight pump housing
A356-T6 pump housing RFQ
Use this path when the part needs leak-test assumptions, sealing faces, CNC datums, material certificate, CMM, or FAI/PPAP planning.
Review pump RFQ →Hydraulic valve body
Valve body ports and leak-test RFQ
Use this path when ports, bores, threads, sealing faces, burr control, pressure/leak testing, and inspection records drive supplier fit.
Review valve RFQ →Tooling, MOQ, or timing is unclear
Tooling and MOQ review
Use this path when the commercial risk is tooling status, duplicate tooling, pilot quantity, annual demand, lead-time expectation, or MOQ fit.
Check tooling route →Process is not fixed
Process selection before RFQ
Use this path when the buyer is still choosing gravity casting, low-pressure casting, die casting, or sand casting before submitting drawings.
Compare processes →Thermal target or fin geometry matters
Cast aluminum heat sink RFQ
Use this path when heat-source location, fin geometry, base flatness, machined contact faces, surface finish, and CMM or flatness records affect supplier comparison.
Review heat sink RFQ →Vane fill, runout, or balance is critical
Aluminum impeller RFQ
Use this path when vane fill, hub bore datums, runout, balance assumptions, machining stock, inspection records, tooling, and packaging define quote quality.
Review impeller RFQ →RFQ Preparation
Buyer resources for casting RFQ preparation
RFQ Package Preparation Guide
What to send before asking for a casting quote: drawings, part details, quantity range, material notes, and sourcing context.
Drawing Requirements for Casting RFQs
What drawing files and part details help a casting supplier review geometry, material expectations, and quote readiness.
Casting Process Selection Guide
Compare gravity casting, low-pressure, die casting, and sand casting by part geometry, quantity range, and tooling fit.
Casting Supplier Evaluation Checklist
Compare casting suppliers by process fit, drawing review communication, export readiness, and RFQ response quality.
Bohua Supplier Capability Sheet
A prequalification sheet for buyers and SQE teams reviewing Bohua's processes, alloys, machining support, inspection records, and RFQ inputs.
Aluminum Casting Buyer FAQ
A fast Q&A map for RFQ preparation, process selection, PPAP, leak testing, machining scope, and supplier comparison.
Casting Quote Readiness Checklist
Organize drawings, quantity range, material notes, and sourcing context before contacting a casting supplier.
Engineering Reference
Aluminum Gravity Casting Design Guide
A buyer's guide covering process selection, alloy choice, DFM rules, tolerances, heat treatment, and supplier qualification.
Resource-to-RFQ next steps
High-intent RFQ paths for sourcing decisions
Match the buyer resource you just reviewed with the quote path that carries the right drawing, supplier-comparison, tooling, or process-selection context.
Product example to RFQ guides
Pump Casing Product Example to RFQ Package
For buyers who start from a similar pump casing product proof and need to organize drawings, leak-test scope, machining datums, inspection records, and supplier questions.
Build pump casing RFQ package →Hydraulic Valve Body Product Example to RFQ Package
For buyers using a valve body product example to define ports, bores, threads, sealing faces, machining scope, pressure-test assumptions, and inspection records.
Build valve body RFQ package →Cast Aluminum Heat Sink Product Example to RFQ Package
For buyers starting from a heat-sink reference product and turning thermal target, fin fill, base flatness, machining, finish, and inspection records into a comparable RFQ.
Build heat sink RFQ package →Acceptance and inspection RFQ guides
Pump Housing Leak-Test Acceptance Criteria RFQ Guide
For buyers who already know the housing is leak-sensitive and need leak-test medium, pressure, hold time, acceptance criterion, sampling, records, and impregnation rules in the RFQ.
Define leak-test acceptance criteria →Valve Body Port and Thread Inspection Records RFQ Guide
For buyers who need port, bore, thread, sealing-face, burr-control, gauge, CMM, and pressure-test record requirements visible before supplier comparison.
Define port and thread records →Gearbox Housing Bearing-Seat Inspection RFQ Package
For buyers who need bearing-seat tolerances, datum scheme, gasket-face flatness, machining allowance, heat-treatment sequence, and CMM records defined before quote comparison.
Define gearbox inspection package →EV Motor Housing and End Bell RFQ Package
For EV housing and end bell buyers defining bearing bores, sealing faces, thermal interfaces, coating, cleanliness, CMM checks, and validation timing in one RFQ.
Define EV housing RFQ package →Impeller Balance, Runout, and Inspection RFQ Checklist
For impeller buyers defining vane-fill criteria, hub bore datums, runout checks, balance reference surfaces, machining stock, CMM records, and packaging protection before supplier comparison.
Define impeller inspection package →Cast Aluminum Heat Sink Thermal, Fin, and Flatness RFQ Checklist
For heat-sink buyers defining thermal targets, heat-source location, fin geometry, base flatness, contact-face machining, CMM or flatness records, and surface finish scope.
Define heat sink inspection package →Quote Hub
Start from the commercial path that matches your sourcing question: drawing review, supplier comparison, lead time, MOQ, or application-specific RFQ.
Open quote hub →RFQ Landing
Send drawings, annual volume, material notes, tolerance targets, and sourcing context for a structured casting RFQ review.
Start RFQ review →A356-T6 Pump Housing RFQ
For pressure-tight pump housings where buyers need A356-T6 assumptions, leak-test context, machining scope, and inspection planning.
Review pump RFQ path →Second-Source RFQ
For buyers qualifying a replacement aluminum casting supplier because of delivery risk, quote gaps, quality issues, or cost pressure.
Review second-source path →MOQ and Tooling
Clarify tooling, MOQ, sampling, and quote assumptions before comparing casting suppliers or changing sourcing strategy.
Check MOQ assumptions →Resource RFQ questions
Turn the resource hub into a quote-ready request
These questions help buyers move from research pages into the right RFQ route with drawing, supplier-comparison, and inspection context intact.
Which RFQ route should a buyer use from the resources hub?
Use the drawing RFQ route when drawings, alloy target, annual volume, machining scope, and inspection notes are ready. Use supplier comparison when the question is cost, delivery, documentation, second-source risk, or supplier approval evidence.
What should be included before requesting an aluminum casting quote?
A useful RFQ package includes PDF or STEP drawings, material and heat-treatment expectations, annual and first-batch volume, machining scope, leak-test or pressure-test requirements, inspection records, surface finish, packaging, and target delivery context.
When should a buyer choose a specific pump, valve, heat sink, or impeller RFQ path?
Choose a specific RFQ path when the part family has critical requirements such as pressure-tight pump housings, valve body ports and threads, thermal flatness for heat sinks, or impeller runout and balance. These routes ask for more precise drawing and inspection context than a generic quote form.
Ready to send your casting RFQ?
Upload drawings and sourcing context for a Bohua review. Our team covers process recommendation, drawing review, and quote preparation for aluminum casting programs.