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Bestpro (Ningbo) Precision Manufacturing Co., Ltd
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Product DescriptionOne-Stop Metal Casting & CNC Machining ManufacturerBestPro provides end-to-end solutions in China — from casting to precision machining and finishing. This one-stop process ensures every part meets strength, accuracy, and ready-to-assemble requirements for automotive, aerospace, marine, and heavy machinery applications.Casting + CNC machining in one-stop solution – from raw material to finished partsISO-certified QC, 100% inspection before shipmentNo MOQ – from prototype to mass productionFast prototyping & short lead timeProcesses DescriptionProcessKey FeaturesTypical ApplicationsCommon MaterialsSurface FinishDimensional AccuracyCostSand Casting- Uses sand mold- Suitable for large or complex partsIndustrial machinery, heavy equipmentGray iron, ductile iron, aluminum, bronze, brass****Die Casting- High-pressure metal injection into steel mold- High volumeAutomotive, electronics, consumer goodsAluminum, zinc, magnesium alloys************Investment Casting- Wax pattern + ceramic shell- High precision, complex shapesAerospace, medical, precision tools, valvesStainless steel, carbon steel, nickel alloys, aluminum***************Gravity Casting- Metal poured into permanent mold by gravity- Moderate precisionAutomotive parts, Engine parts, housings, cookwareAluminum, bronze, zinc alloys*********Why BestProWhy Choose Our Casting + Machining Combo?One supplier, full process: From mold design → casting → CNC machining → finishing → assemblyGuaranteed precision: Casting forms the base shape, CNC achieves ±0.008mm critical toleranceSave cost & lead time: No need to ship rough castings to third parties for machiningBetter quality consistency: Same QC system monitors both casting and machiningReady-to-assemble parts: Supplied finished & inspected, straight into your production lineQuality AssuranceISO-certified QA & QC system100% inspection before shipmentAdvanced equipment: CMM, VMS, hardness testers, roughness testersMaterial & performance certificates provided with each batchOur "prevention + precision inspection" approach ensures every casting part meets customer specifications.Call to ActionSend us your drawings or samples today – get a quotation within 24 hours.Let BestPro be your trusted metal casting & machining partner in China.Contact us now and start your next project with confidence.AdvantagesCasting is a manufacturing process where molten metal is poured into a mold and solidifies into a desired shape. It is commonly used in industries like automotive, aerospace, and construction.Key advantages include the ability to produce large or complex parts, high material efficiency, low waste, and cost-effectiveness for both small and large volumes. Casting also provides great design flexibility, making it ideal for shapes that are hard to machine.Custom ProjectsValue-Added Services for Custom Cast PartsService CategoryDescriptionNotes / OptionsCNC MachiningHigh-precision post-processing for critical dimensions and interfaces±0.008mm tolerance, threads, sealing faces, tight fitsHeat TreatmentEnhance mechanical properties like strength, hardness, ductilityAnnealing, Normalizing, Quenching & Tempering, Solution TreatmentSurface FinishingImprove appearance, corrosion resistance, and wear protectionPainting (dip/spray), Powder Coating, Anodizing, Plating, PolishingPlating OptionsDecorative or functional metal coatingChrome, Nickel, Zinc, Flash Copper, Oil Bronze, Brushed FinishBlasting / PolishingSurface cleaning or smoothing for better adhesion or visual effectSandblasting, Shot blasting, Vibratory finishing, Mirror polishingQuality ControlEnsure product meets customer specifications and industry standards3.1 Material Certs, CMM Reports, NDT (UT, MT, PT, X-ray)Assembly ServicesPre-assembly of cast and machined parts to reduce customer workloadSub-assembly, mechanical fastening, integrationPrototypingFast validation before production3D printed sand molds or wax patterns, DFM suggestionsPackaging & ExportSafe shipping and export-ready preparationRust-proof packaging, wooden crates, label customization, documentationAdvantagesForging vs Casting vs CNC Machining – Comparison TableAspectForgingCastingCNC MachiningStrength*****Excellent grain flow, highest mechanical strength**May contain internal defects like porosity****Good, but grain structure not optimizedPrecision***Moderate; better in closed-die forging**Low to moderate, depends on process*****High precision, tight tolerancesSurface Finish**Requires post-machining or polishing***Better in die/investment casting*****Excellent, depending on tooling and settingsMaterial Utilization****Less waste than machining***Moderate, some gating/risers lost**Higher waste due to cutting/removalTooling Cost****Moderate to high (dies required)***Low for sand casting, high for die casting**Low, mainly tooling and fixturingProduction Volume****Medium to high volumes****Suitable for both small and large batches**Best for low to medium volume, or prototypingApplication ExamplesAutomotive shafts, aerospace parts, oil & gas componentsEngine housings, pump bodies, structural partsPrecision housings, brackets, covers, prototypesFor maximum strength and safety-critical partsFor complex shapes, moderate precision, and high-volume production For high precision, complex geometries, or low to medium volumes → Choose ForgingIdeal for shafts, gears, and structural components in aerospace, automotive, and heavy industry.→ Choose CastingSuitable for housings, pump bodies, engine blocks, and structural components.→ Choose CNC MachiningPerfect for precision brackets, enclosures, custom parts, and prototypes.Basic InformationQC System100% inspection before shipmentDrawing formatCAD / PDF/ DWG/ IGS/ STEPPackagingStandard package / Carton box or Pallet / As per customized specificationsTesting equipmentCMM (Coordinate Measuring Machine), VMS, Height gauge, Caliper, Hardness tester, Roughness tester, Projector machine, Pin/Angle/Block/Plug/Thickness/Thread/Radius gauge, etc.Trade termsEXW, FOB, CIF, As per the customer's requestShipment Terms1) 0-100kg: express & air freight priority2) >100kg: sea freight priority3) As per customized specificationsNoteAll CNC machining parts are custom-made according to the customer's drawings or samples, with no stock. If you have any CNC machining parts to be made, please feel free to send your kind drawings/samples to us anytime by email.Company ProfileBestPro Precision Manufacturing Co., Ltd.BestPro founded in 2009, is a leading manufacturer of custom precision parts based in Ningbo, China. Operating from a 2,500 square meter facility, with over 15 years of experience serving aerospace, industrial equipment, automotive, mining, energy, and electronics industries.Our processing capabilitiesWe offer close-tolerance CNC Milling, CNC Turning, 5-axis machining services, sheet metal fabrication, and MIM (Metal Injection Molding) sintering processes. In addition, we supply casting/forging from raw material to the final finished product with tried and tested suppliers but perform all in-house secondary machining and QC operations. Providing competitive rapid prototype and short to medium-run production machining services for our customers from all over the world.Value-added ServicesWe have long-term cooperated vendors who offer anodizing, plating, welding, painting, heat treatment, and other finishing services. This helps us to deliver products with value-added services for our customers. Focus on your business.We'll be your one-stop machine shop in China.FAQQ: Which payment methods are accepted?A: At BestPro, we accept payment methods such as T/T bank transfer and Paypal. Q: What file formats do you work with?A: The file formats we can accept include dwg, iges, stp, and pdf. Q: Only have a sample, no drawings. Can you complete the task?A: Certainly. Our design engineers can draft technical drawings from your sample and manufacture the product accordingly. Q: How do you ensure good quality?A: At BestPro, quality is our top priority. We implement robust systems, including pre-article inspections, in-process checks, and final inspections. With advanced equipment like CMM for precision measurement, we ensure exceptional quality control, earning the trust of our customers. Q: Do you have a minimum order quantity?A: NO!-No minimum quantity! BestPro provides prototypes and short tomedium-run production machining services.Q: What precision tolerances can BestPro achieve?A: Precision Machining Tolerances down to +/- 0005mm. BestPro can manufactureand inspect tight tolerances per your drawing specifcations.Q: What general tolerances can BestPro achieve?A: General Machining Tolerances on metal to +/- 0.01mm unless otherwisespecifed. Plastics and composites will be +/- 0.0254mm.Q: How quickly can l get my parts?A: Lead times are 1 to 3 weeks for prototypes and 4 weeks for production runs. Emergency and rush services are available.
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