# EV Inverter, OBC, and DC-DC Converter Aluminum Housing RFQ Checklist
EV power-electronics housings need more than a casting price. Buyers should define thermal surfaces, sealing grooves, grounding points, coolant paths, CNC datums, coating requirements, cleanliness, and inspection records before comparing suppliers.
RFQ checklist
RFQ CTA
Have a casting project? Upload your drawing for a fast, structured quote review.
Send the drawing, target alloy, finishing scope, MOQ, and delivery timing. Bohua will review it like a real sourcing project, not a generic contact request.
- •2D drawing and STEP model
- •thermal interface flatness and finish
- •coolant path or sealed-cavity requirements
- •O-ring grooves and sealing faces
- •grounding and EMI-related features
- •machining datums and CMM scope
- •finish, coating, masking, and cleanliness
- •leak-test, material, and traceability records
- •annual volume, samples, and launch timing
Bohua RFQ path
Bohua can review EV inverter, OBC, and DC-DC housing RFQs for casting route, machining scope, sealing risk, and inspection evidence. Send the package through the formal RFQ form.
Project CTA
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Send your drawing for a structured DFM review and quote on a fast response timeline.