https://www.bohua-casting.com/blog Latest aluminum casting RFQ, sourcing, inspection, and supplier qualification guides for OEM buyers. en Mon, 25 May 2026 08:20:00 GMT https://www.bohua-casting.com/blog/ppap-cmm-leak-test-record-pack-pressure-tight-aluminum-casting-rfq https://www.bohua-casting.com/blog/ppap-cmm-leak-test-record-pack-pressure-tight-aluminum-casting-rfq A supplier-quality RFQ guide for defining PPAP, CMM, leak-test, material, traceability, and first-article records before quoting pressure-tight aluminum castings. Quality Control Mon, 25 May 2026 08:20:00 GMT Mon, 25 May 2026 08:20:00 GMT https://www.bohua-casting.com/blog/gravity-vs-low-pressure-vs-die-casting-leak-tight-housings-rfq https://www.bohua-casting.com/blog/gravity-vs-low-pressure-vs-die-casting-leak-tight-housings-rfq A buyer RFQ guide for choosing gravity casting, low-pressure casting, or die casting for leak-tight aluminum pump, valve, coolant, and thermal housings. RFQ Guide Mon, 25 May 2026 08:10:00 GMT Mon, 25 May 2026 08:10:00 GMT https://www.bohua-casting.com/blog/section-232-aluminum-tariff-april-2026-update https://www.bohua-casting.com/blog/section-232-aluminum-tariff-april-2026-update A buyer-oriented tariff planning note for aluminum casting RFQs, focused on documentation, origin assumptions, landed-cost modeling, and customs-broker review. Trade Sun, 24 May 2026 16:55:00 GMT Sun, 24 May 2026 16:55:00 GMT https://www.bohua-casting.com/blog/how-to-write-aluminum-casting-rfq https://www.bohua-casting.com/blog/how-to-write-aluminum-casting-rfq A practical guide to writing an aluminum casting RFQ with drawings, alloy, volume, machining, inspection, finishing, packaging, and commercial assumptions. RFQ Checklist Sun, 24 May 2026 16:50:00 GMT Sun, 24 May 2026 16:50:00 GMT https://www.bohua-casting.com/blog/gravity-casting-automotive-components https://www.bohua-casting.com/blog/gravity-casting-automotive-components A buyer guide to gravity casting automotive components, with focus on process fit, alloy choice, machining datums, inspection records, PPAP/FAI scope, and RFQ readiness. Automotive Sun, 24 May 2026 16:45:00 GMT Sun, 24 May 2026 16:45:00 GMT https://www.bohua-casting.com/blog/ev-inverter-obc-dcdc-aluminum-housing-rfq-checklist https://www.bohua-casting.com/blog/ev-inverter-obc-dcdc-aluminum-housing-rfq-checklist A buyer checklist for EV power-electronics aluminum housing RFQs, covering thermal flatness, sealing grooves, grounding, coolant paths, CNC datums, and inspection records. EV Components Sun, 24 May 2026 16:40:00 GMT Sun, 24 May 2026 16:40:00 GMT https://www.bohua-casting.com/blog/china-aluminum-casting-industry-report-2026 https://www.bohua-casting.com/blog/china-aluminum-casting-industry-report-2026 A procurement-oriented 2026 overview of China's aluminum casting industry, focused on buyer RFQ preparation, supplier qualification, process fit, and risk controls. Industry Sun, 24 May 2026 16:35:00 GMT Sun, 24 May 2026 16:35:00 GMT https://www.bohua-casting.com/blog/aluminum-casting-surface-finishing-guide https://www.bohua-casting.com/blog/aluminum-casting-surface-finishing-guide A buyer guide to aluminum casting surface finishing, including function, cosmetic expectations, machining sequence, coating compatibility, inspection, and RFQ inputs. Finishing Sun, 24 May 2026 16:30:00 GMT Sun, 24 May 2026 16:30:00 GMT https://www.bohua-casting.com/blog/aluminum-casting-supplier-qualification-checklist https://www.bohua-casting.com/blog/aluminum-casting-supplier-qualification-checklist A practical checklist for qualifying aluminum casting suppliers, covering process route, tooling, samples, CMM, material records, PPAP/FAI, and RFQ assumptions. Supplier Evaluation Sun, 24 May 2026 16:25:00 GMT Sun, 24 May 2026 16:25:00 GMT https://www.bohua-casting.com/blog/aluminum-casting-manufacturer-ningbo-china https://www.bohua-casting.com/blog/aluminum-casting-manufacturer-ningbo-china A buyer-focused guide to evaluating an aluminum casting manufacturer in Ningbo, China, including process fit, RFQ package quality, inspection records, and logistics assumptions. Supplier Evaluation Sun, 24 May 2026 16:20:00 GMT Sun, 24 May 2026 16:20:00 GMT https://www.bohua-casting.com/blog/aluminum-casting-lead-time-fast-delivery https://www.bohua-casting.com/blog/aluminum-casting-lead-time-fast-delivery A buyer guide to fast aluminum casting delivery planning, covering drawing completeness, tooling approval, sample reports, machining, inspection, and shipment risk. Procurement Sun, 24 May 2026 16:15:00 GMT Sun, 24 May 2026 16:15:00 GMT https://www.bohua-casting.com/blog/aluminum-alloy-selection-gravity-casting https://www.bohua-casting.com/blog/aluminum-alloy-selection-gravity-casting A practical guide for choosing A356, ZL114, ADC12, or buyer-specified aluminum alloys in gravity casting RFQs, with focus on function, inspection, and process fit. Materials Sun, 24 May 2026 16:10:00 GMT Sun, 24 May 2026 16:10:00 GMT https://www.bohua-casting.com/blog/adc12-die-casting-properties https://www.bohua-casting.com/blog/adc12-die-casting-properties A buyer guide to ADC12 die casting properties, process fit, machining, finishing, inspection records, and when to compare ADC12 with A356 or ZL114. Materials Sun, 24 May 2026 16:05:00 GMT Sun, 24 May 2026 16:05:00 GMT https://www.bohua-casting.com/blog/ppap-level-3-aluminum-castings https://www.bohua-casting.com/blog/ppap-level-3-aluminum-castings A practical PPAP Level 3 guide for aluminum casting buyers, focused on drawing records, process flow, PFMEA, control plans, CMM, materials, samples, and submission readiness. Quality Control Sun, 24 May 2026 15:55:00 GMT Sun, 24 May 2026 15:55:00 GMT https://www.bohua-casting.com/blog/ppap-aluminum-casting-supplier-china https://www.bohua-casting.com/blog/ppap-aluminum-casting-supplier-china A buyer checklist for PPAP-oriented aluminum casting RFQs in China, covering drawings, control plans, CMM reports, material records, samples, and approval scope. Sourcing Guide Sun, 24 May 2026 15:50:00 GMT Sun, 24 May 2026 15:50:00 GMT https://www.bohua-casting.com/blog/aluminum-pump-valve-housing-casting-china https://www.bohua-casting.com/blog/aluminum-pump-valve-housing-casting-china A sourcing guide for aluminum pump and valve housing castings in China, focused on pressure paths, leak testing, ports, sealing faces, machining datums, and RFQ evidence. Applications Sun, 24 May 2026 15:45:00 GMT Sun, 24 May 2026 15:45:00 GMT https://www.bohua-casting.com/blog/aluminum-casting-cost-breakdown https://www.bohua-casting.com/blog/aluminum-casting-cost-breakdown A practical cost breakdown for aluminum casting buyers comparing tooling, raw casting, machining, finishing, inspection, packaging, freight, and landed-cost assumptions. Cost Guide Sun, 24 May 2026 15:40:00 GMT Sun, 24 May 2026 15:40:00 GMT https://www.bohua-casting.com/blog/aluminum-casting-lead-time-china https://www.bohua-casting.com/blog/aluminum-casting-lead-time-china A buyer guide to aluminum casting lead time in China, covering RFQ completeness, tooling approval, samples, machining, inspection records, packaging, and shipment planning. Procurement Sun, 24 May 2026 15:35:00 GMT Sun, 24 May 2026 15:35:00 GMT https://www.bohua-casting.com/blog/iatf-16949-certified-aluminum-foundry-china https://www.bohua-casting.com/blog/iatf-16949-certified-aluminum-foundry-china A buyer-focused guide to evaluating IATF 16949 certified aluminum foundries in China, including certificate checks, PPAP scope, traceability, CMM records, corrective actions, and RFQ evidence. Quality Control Sun, 24 May 2026 15:25:00 GMT Sun, 24 May 2026 15:25:00 GMT https://www.bohua-casting.com/blog/aluminum-casting-cost-china-usa-europe-comparison https://www.bohua-casting.com/blog/aluminum-casting-cost-china-usa-europe-comparison A conservative buyer guide to comparing aluminum casting cost between China, USA, and Europe, focused on quote scope, tooling, machining, inspection, freight, tariffs, and landed-cost assumptions. Procurement Sun, 24 May 2026 15:20:00 GMT Sun, 24 May 2026 15:20:00 GMT https://www.bohua-casting.com/blog/second-source-pump-valve-housing-casting-rfq-checklist https://www.bohua-casting.com/blog/second-source-pump-valve-housing-casting-rfq-checklist A procurement checklist for qualifying a backup aluminum casting supplier for pump and valve housings, including tooling, leak-test evidence, PPAP, sample approval, and landed-cost scope. Supplier Evaluation Sun, 24 May 2026 15:10:00 GMT Sun, 24 May 2026 15:10:00 GMT https://www.bohua-casting.com/blog/aluminum-valve-body-casting-rfq-checklist-leak-test-cmm https://www.bohua-casting.com/blog/aluminum-valve-body-casting-rfq-checklist-leak-test-cmm A quote-ready RFQ checklist for aluminum valve body castings, covering leak paths, ports, threads, sealing faces, CMM datums, inspection records, and supplier assumptions. RFQ Checklist Sun, 24 May 2026 15:05:00 GMT Sun, 24 May 2026 15:05:00 GMT https://www.bohua-casting.com/blog/gravity-casting-vs-sand-casting-comparison https://www.bohua-casting.com/blog/gravity-casting-vs-sand-casting-comparison A buyer-focused comparison of gravity casting and sand casting for aluminum parts, with guidance on volume, tooling, surface finish, tolerance, inspection scope, and RFQ decision inputs. Processes Sun, 24 May 2026 14:55:00 GMT Sun, 24 May 2026 14:55:00 GMT https://www.bohua-casting.com/blog/how-to-evaluate-aluminum-casting-supplier-china https://www.bohua-casting.com/blog/how-to-evaluate-aluminum-casting-supplier-china A supplier evaluation checklist for China aluminum casting RFQs, covering capability evidence, process fit, documentation, response quality, quote scope, and buyer approval risk. Supplier Evaluation Sun, 24 May 2026 14:50:00 GMT Sun, 24 May 2026 14:50:00 GMT https://www.bohua-casting.com/blog/custom-aluminum-casting-cost-china-2026 https://www.bohua-casting.com/blog/custom-aluminum-casting-cost-china-2026 A 2026 buyer guide to custom aluminum casting cost in China, covering tooling, casting weight, machining, inspection, finishing, logistics, and RFQ assumptions for fair supplier comparison. Cost Guide Sun, 24 May 2026 14:45:00 GMT Sun, 24 May 2026 14:45:00 GMT https://www.bohua-casting.com/blog/how-to-choose-aluminum-casting-supplier-china https://www.bohua-casting.com/blog/how-to-choose-aluminum-casting-supplier-china A procurement-focused guide to choosing an aluminum casting supplier in China, covering RFQ readiness, process fit, quality evidence, inspection records, commercial scope, and supplier risk review. Supplier Evaluation Sun, 24 May 2026 14:40:00 GMT Sun, 24 May 2026 14:40:00 GMT https://www.bohua-casting.com/blog/aluminum-gravity-casting-cost-pricing-guide https://www.bohua-casting.com/blog/aluminum-gravity-casting-cost-pricing-guide A buyer-focused guide to aluminum gravity casting cost drivers, including tooling, alloy, casting weight, machining scope, inspection records, finishing, freight, and landed-cost assumptions. Cost Guide Sun, 24 May 2026 14:30:00 GMT Sun, 24 May 2026 14:30:00 GMT https://www.bohua-casting.com/blog/custom-aluminum-casting-small-batch-china https://www.bohua-casting.com/blog/custom-aluminum-casting-small-batch-china A practical RFQ planning guide for buyers sourcing small batch custom aluminum castings in China, covering volume bands, tooling assumptions, sample approval, inspection records, and quote comparison inputs. Sourcing Sun, 24 May 2026 14:25:00 GMT Sun, 24 May 2026 14:25:00 GMT https://www.bohua-casting.com/blog/iatf-16949-aluminum-casting-manufacturer-china https://www.bohua-casting.com/blog/iatf-16949-aluminum-casting-manufacturer-china A buyer guide to using IATF 16949 as one part of aluminum casting supplier qualification, including certificate verification, PPAP-style documentation, traceability, inspection planning, and RFQ evidence. Quality Control Sun, 24 May 2026 14:15:00 GMT Sun, 24 May 2026 14:15:00 GMT https://www.bohua-casting.com/blog/second-source-aluminum-casting-supplier https://www.bohua-casting.com/blog/second-source-aluminum-casting-supplier A second-source qualification guide for aluminum casting buyers, covering drawing transfer, tooling ownership, sample approval, inspection evidence, dual-source planning, and RFQ data needed before switching suppliers. Supplier Evaluation Sun, 24 May 2026 14:10:00 GMT Sun, 24 May 2026 14:10:00 GMT https://www.bohua-casting.com/blog/aluminum-pump-housing-casting-supplier-china https://www.bohua-casting.com/blog/aluminum-pump-housing-casting-supplier-china A practical qualification guide for aluminum pump housing buyers comparing China casting suppliers, with focus on drawing review, leak-test scope, machining datums, inspection records, and RFQ readiness. Supplier Evaluation Sun, 24 May 2026 14:05:00 GMT Sun, 24 May 2026 14:05:00 GMT https://www.bohua-casting.com/blog/ev-thermal-management-aluminum-housing-rfq-guide https://www.bohua-casting.com/blog/ev-thermal-management-aluminum-housing-rfq-guide An RFQ guide for EV thermal-management aluminum housings, coolant-sealed converter housings, pump-and-valve modules, and power-electronics covers where casting route, leak testing, O-ring grooves, flatness, and CMM records affect supplier fit. EV & RFQ Sun, 24 May 2026 13:25:00 GMT Sun, 24 May 2026 13:25:00 GMT https://www.bohua-casting.com/blog/pressure-tight-a356-pump-housing-leak-failure-rfq-guide https://www.bohua-casting.com/blog/pressure-tight-a356-pump-housing-leak-failure-rfq-guide A buyer-focused RFQ guide for pressure-tight A356 pump housings after leak-test failures, covering failure evidence, sealed-cavity maps, machining datums, porosity controls, test records, and second-source supplier review. Pump Housing & RFQ Sun, 24 May 2026 13:10:00 GMT Sun, 24 May 2026 13:10:00 GMT https://www.bohua-casting.com/blog/ev-coolant-manifold-thermal-valve-block-rfq-checklist https://www.bohua-casting.com/blog/ev-coolant-manifold-thermal-valve-block-rfq-checklist A sourcing checklist for EV coolant manifolds, thermal valve blocks, pump-and-valve housings, and aluminum thermal-management modules where port layout, O-ring grooves, cleanliness, leak testing, CMM datums, and assembly interfaces decide quote quality. EV & RFQ Sun, 24 May 2026 12:25:00 GMT Sun, 24 May 2026 12:25:00 GMT https://www.bohua-casting.com/blog/ev-battery-liquid-cold-plate-aluminum-rfq-checklist https://www.bohua-casting.com/blog/ev-battery-liquid-cold-plate-aluminum-rfq-checklist A drawing-ready RFQ checklist for EV battery liquid cold plates and aluminum thermal-management parts, covering thermal maps, coolant circuits, flatness, pressure drop, leak testing, corrosion, TIM interfaces, and supplier-fit questions. EV & RFQ Sun, 24 May 2026 12:10:00 GMT Sun, 24 May 2026 12:10:00 GMT https://www.bohua-casting.com/blog/vacuum-impregnation-pressure-tight-aluminum-casting-rfq-policy https://www.bohua-casting.com/blog/vacuum-impregnation-pressure-tight-aluminum-casting-rfq-policy How OEM buyers should define whether vacuum impregnation is allowed, disallowed, recorded, retested, or treated as repair when quoting pressure-tight aluminum pump, valve, compressor, and EV housings. Quality & RFQ Sun, 24 May 2026 10:20:00 GMT Sun, 24 May 2026 10:20:00 GMT https://www.bohua-casting.com/blog/ev-motor-housing-water-jacket-coolant-leak-test-rfq-checklist https://www.bohua-casting.com/blog/ev-motor-housing-water-jacket-coolant-leak-test-rfq-checklist A buyer checklist for EV motor housing RFQs where coolant channels, water jackets, sealing faces, test stage, fixture assumptions, and leak-test records decide supplier quote quality. EV & Leak Test Sun, 24 May 2026 09:20:00 GMT Sun, 24 May 2026 09:20:00 GMT https://www.bohua-casting.com/blog/hydraulic-valve-body-port-leak-test-thread-gauge-rfq-checklist https://www.bohua-casting.com/blog/hydraulic-valve-body-port-leak-test-thread-gauge-rfq-checklist A procurement and SQE checklist for hydraulic valve body RFQs where port isolation, thread gauges, sealing lands, CMM datum scope, and leak-test assumptions decide quote quality. Valve Body & RFQ Sun, 24 May 2026 09:00:00 GMT Sun, 24 May 2026 09:00:00 GMT https://www.bohua-casting.com/blog/a356-pump-housing-leak-test-rfq-checklist https://www.bohua-casting.com/blog/a356-pump-housing-leak-test-rfq-checklist How OEM buyers should define leak-test method, pressure, sealing faces, CMM datum scope, PPAP records, and inspection stage before asking for an A356 pump housing quote. Quality & RFQ Sun, 24 May 2026 08:20:00 GMT Sun, 24 May 2026 08:20:00 GMT https://www.bohua-casting.com/blog/gearbox-bearing-seat-cmm-datum-rfq-checklist https://www.bohua-casting.com/blog/gearbox-bearing-seat-cmm-datum-rfq-checklist A buyer-focused RFQ checklist for aluminum gearbox housings where bearing seats, datum strategy, CMM inspection, flatness, and concentricity affect quote quality. Inspection & RFQ Sun, 24 May 2026 08:10:00 GMT Sun, 24 May 2026 08:10:00 GMT