Knowledge Base
Engineering Insights
Technical guides to help you choose the right casting process, alloy, and supplier.
A356-T6 Heat Treatment: Temps, Aging & Strength
A356-T6 heat treatment: 540 °C solution, quench, T6 aging to 170 °C, UTS/yield targets. IATF 16949 gravity die cast foundry — CMM and PPAP on request.
Read full article →LPDC Casting Defects: 5 Root Causes & Fixes
Gas porosity, shrinkage, cold shuts — LPDC casting defects need different fixes. IATF 16949 guide: diagnose by symptom and apply the right corrective action.
Read full article →Qualify a China Casting Supplier: IATF 16949 & PPAP
Step-by-step checklist to qualify a China casting supplier: IATF 16949 cert, PPAP documents, CMM inspection records, and process audit evidence on site.
Read full article →Evaluate Aluminum Gravity Casting Suppliers in China
OEM buyer checklist for vetting aluminum gravity casting suppliers in China — tooling ownership, CMM inspection, PPAP, pressure-tight records and RFQ ready.
Read full article →A356 Aluminum Gravity Casting for Automotive: T6 & PPAP
A356-T6 aluminum gravity castings for automotive housings — pressure-tight, CMM-inspected, PPAP-ready. IATF 16949 certified China foundry. Request an RFQ.
Read full article →Aluminum Casting RFQ Checklist: Get Accurate Quotes Fast
What to include in an aluminum casting RFQ — drawing specs, alloy grade, annual volume, machining scope, inspection level — so foundries quote accurately.
Read full article →A356 Aluminum Gravity Casting for Automotive Uses
A356-T6 aluminum gravity casting for automotive housings and brackets. IATF 16949 foundry with T6 treatment, CMM inspection, and design-for-casting guidance.
Read full article →Aluminum Gravity Casting Supplier China: 10-Point Check
10-point checklist to qualify an aluminum gravity casting supplier in China: IATF 16949 cert, tooling ownership, CMM records, and PPAP before you RFQ.
Read full article →Aluminum Casting MOQ China: Ranges & Negotiation Tactics
What MOQ should a China aluminum casting supplier offer? Covers gravity die vs LPDC ranges, tooling cost levers, and RFQ tactics. IATF 16949 certified.
Read full article →CMM Inspection for Aluminum Castings: GD&T & PPAP Guide
CMM inspection checklist for cast aluminum parts: GD&T datum setup, ISO 10360 compliance, PPAP dimensional records. IATF 16949 certified, Hexagon CMM on-site.
Read full article →A356 vs ADC12 Aluminum Casting: Which Alloy to Specify?
A356-T6 vs ADC12: compare tensile strength, elongation, pressure-tightness, and cost at an IATF 16949 foundry. Gravity die vs HPDC fit with alloy checklist.
Read full article →China vs North America Aluminum Casting Cost: 2026
2026 breakdown: China vs North America aluminum casting cost — tooling, unit price, tariffs, and landed cost. Gravity die casting data for OEM procurement.
Read full article →Aluminum Casting T1 Samples China: RFQ Guide
Plan an aluminum casting T1 RFQ around drawing review, production-intent tooling, a 45-day standard or 35-day expedited tooling-to-T1 target, and project-defined inspection.
Read full article →Small-Batch Aluminum Casting China: MOQ & RFQ Guide
Planning a small-batch aluminum casting RFQ? Bohua's general MOQ is 500 pieces, with drawing-based review for larger or higher-value parts.
Read full article →Custom Aluminum Housing Casting: China Supplier Guide
Source custom aluminum housing castings from a Ningbo IATF 16949 foundry — A356/ADC12, CNC-machined, pressure-tight with leak-test records. PPAP-ready.
Read full article →A356 Aluminum Casting Manufacturer China – T6 & PPAP
Ningbo Bohua supplies A356 and ZL114 gravity die castings with T6 heat treatment, CMM inspection, and PPAP documentation. IATF 16949 certified. Get a quote.
Read full article →Automotive Aluminum Casting Supplier China – IATF 16949
IATF 16949 certified aluminum foundry in China supplying automotive gravity die castings with PPAP, CMM inspection, and OEM RFQ support. A380, ADC12, A356.
Read full article →EV Motor End Cover Manufacturer China — Sourcing Guide
China EV motor end cover supplier: IATF 16949 aluminum gravity casting, CMM-verified dimensions, sealing checkpoints, and PPAP-ready export supply.
Read full article →Aluminum Motor Housing Manufacturer China – EV & OEM
Source pressure-tight aluminum motor housings and EV enclosures from Bohua — gravity die and LPDC casting, leak-test records, CMM, PPAP. IATF 16949 certified.
Read full article →Aluminum Gearbox Housing: China Supplier & RFQ Guide
A356 aluminum gearbox housings from an IATF 16949 gravity-casting foundry in China. Covers RFQ inputs, bearing-seat tolerances, PPAP, and OEM second-source.
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