IPDB › China Industry › Manufacturing & Processing Machinery › Casting & Forging
Lost Wax Investment Casting Parts/Precision Steel Casting Parts/Cast Steel1
Casting Forging, Casting, Investment Casting
Ningbo Longxing Casting & Machinery Manufactory
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Product Description Lost Wax Investment Casting Parts/Precision Steel Casting Parts/Cast SteelCompany Profile LONGXING CASTING is a leading and globally recognized brand for complex and high-tech castings in the area of automobile, rail, construction equipment, material handling equipment and agricultural machinery.Steadfast devoting to the field of precision casting and machining for 30 years and with strong engineering capabilities, complete quality assurance system and advanced management system, and deep industry expertise, our world class foundry provides these global industry leaders and medium-to-high end western customers with the highest quality products, services and solutions. In response to diversified needs of global customers, longxing group is established to offer overall solutions and one-stop services. Relying on powerful and matchless machining finish capabilities, our company expand the product lines and is committed to manufacturing and supplying iron and steel castings made by various casting methods, forgings and profile machined parts. Longxing also introduce in house production lines for cutting plate & sheet metal, welding, surface treatment, assembly to deliver high-value added complex assemblies. Longxing group is emerging as a leading metal forming and processing manufacturer that possesses solid comprehensive strength and unique business model. 1. OPERATING STRUCTUREFour factories110,000 square metersEach factory has an independent dedicated management team experienced with their respective processes.The corporate management board oversee and coordinate the division operations. Ningbo Fenghua Huawei Investment Casting Co.,LtdLost Wax Casting, Lost Foam Casting, Shell Moulding CastingNingbo Qianhao New Material Technology Co., LtdLost Foam CastingNingbo Qianhao Metal Product Co.,LtdMachining, HeadquartersNingbo Qianhao Industry Co., LtdMachining, Cutting Plate & Sheet Metal & Welding, Surface Treatment2. FOUNDRY1 OVERVIEW---Huawei FoundryEstablished in 2005, 26,600 m2 under roof, 245+ employees,Annual capacity 20,000 tons. Utilize advanced lost wax, lost foam, shell moulding casting processes.Equipped with modern energy saving and eco-friendly production lines.Automatic and semi-automatic wax and shell making, pouring, heat treating equipment.3. FOUNDRY2 OVERVIEW---Qianhao New Material FoundryEstablished 2022, 40,000 m2under roof. Equipped with more advanced lost foam casting and heat treatment automatic production line. Annual capacity 30,000 tons. 4. MACHINING1 OVERVIEW---Qianhao Metal-HeadquartersEstablished in 200913,500 m2 under roof215+ employeesAdvanced high and CNC equipment 50+ vertical and horizontal machining centers 80+ CNC machines (lathe, milling, drilling ) 80+ additional supporting equipmentProduct Offering: Machined steel castings Machined stainless steel castings Machined iron castings Machined aluminum castings Machined forgings5. MACHINING2 OVERVIEW---Qianhao IndustryEstablished in 2022. 30,000 m2under roof. Equipped with more advanced and high-end processing equipment include Okuma machining centers, gantry machining centers, laser cutting machines, flame cutting machines, bending machines, hydraulic presses, and welding robots; intelligent paint coating lines, powder coating lines and smart logistics systems (AGV), integrating seamlessly with PLM, ERP, and MES to deliver high-value-added assemblies and one-stop services.6. ESG7. HISTORYSince 19931993Ningbo Yinzhou Longxing Machinery Manufacturing Factory was established. Mainly engaged in machining.1999Renovated investment casting production lines with precision casting production capacity 5,000 tons.2001Obtained ISO9001:2000 certificate.. 2003Products began to export. 2005Ningbo Fenghua Huawei Investment Casting Co., Ltd was established.2007Cooperated with Bombardier, the first railway OEM customer abroad. 2008Moved casting production line to Huawei with capacity 15,000 tons.Cooperated with Hyundai North America, the first automobile OEM customer abroad.2009Ningbo Qianhao Metal Product Co., Ltd was established for machining and import & export business.2011Obtained TS16949:2009&ISO14001:2004 certificate. 2012Cooperated with Doosan in South Korea, the first construction equipment OEM customer abroad.2013Increased production capacity to 20,000 tons.2014Established ERP production management system and 5S management system.2015-2018Installed automatic and semi-automatic wax and shell making lines, pouring lines and more advanced environmental protection devices.2020Qianhao Metal Yunlong Facility Started Operation.2022Qianhao Machinery Started Operation.2025Qianhao New Material Foundry and Qianhao Industry Company started operation.8. STAFFINGEnterprise Spirit: Moving with the times, Pioneering and innovating, Harmony and win-win, Striving for excellenceEmployee Image: Elegant style, Polite and courteous, Warmly and humble, Be neither arrogant nor inferior, Precise and professional. Casting Engineers3Material Engineers2Heat Treatment Engineers1Machining Engineer5Sheet Metal & Welding Engineer3Project Engineer5Professional Technician11QA49Production Management19Supply Chain Management7Management and Supervision42Sales &Customer Service Staff16Direct Labor297Total: 4609. Annual TurnoverExpected Target: Up to 2027, annual turnover exceeds 70 million dollarsAnnual turnover(Unit: Million Dollars)2005$ 7.4m2006$ 9.0m2007$ 12.6m2008$ 16.0m2009$ 10.7m2010$ 15.5m2011$ 18.4m2012$ 17.6m2013$ 26.9m2014$ 32.6m2015$ 34.1m2016$ 36.6m2017$40.1m2018$43.6m2019$44.7m2020$38.5m2021$56.7m2022$58.4m2023$59.6m2024$61.2m CastingOur four casting processes is able to meet customer's wide range of needs for castings of different grades and qualities.Covering different grades ofcasting precision: CT6 - CT8surface roughness: Ra6.4 - Ra25umweight range: 0.1 - 500kg10. LOST WAX CASTING PROCESS---ILLUSTRATION DIAGRAMProcess Design ? Tooling Making ? Wax Injection ? Wax Pattern Assembly ? Dipping ? Stuccoing ? Wax Removal ? Mold Preheat? Casting ? Mold Shake out ?Work Piece Cut-off ? Grinding ? Heat Treatment ? Machining ? Final Inspection ? Pack& Transport 11. LOST WAX CASTING - MANUFACTURING PROCESS 12. LOST WAX CASTING - KEY CASTING EQUIPMENT13. LOST WAX CASTING PROCESS TECHNOLOGY OVERVIEWCasting ProcessLost Wax Casting (Investment Casting)Material Rangecarbon steel, alloy steel, stainless steelMaterial standardGB.ASTM. AISI. DIN. BS. JIS. EN. AS. AARMax Linear Size1000mm; Max Diameter Size: 600 mmMin Thickness3mmCasting Weight Range0.10 - 80kgCasting Dimension ToleranceCT6 - CT8Casting Surface RoughnessRa6.4 -Ra12.5umIndustry Experiencerail, automobile & truck, construction & mining equipment, forklift, agricultural machinery, shipbuilding & marine, petroleum industry, construction, valve and pumps, electric motors, hardware, power equipment14. LOST FOAM CASTINGMaterial RangeCarbon Steel, Alloy Steel, Stainless SteelMax linear Size (W*C*H)1500mm*800mm*750mmMin thickness6mmCasting Weight Range1 - 500kgCasting Dimension ToleranceCT6 - CT8Casting Surface RoughnessRa12.5um15. SHELL MOULDINGMaterial RangeCarbon Steel, Alloy SteelMax linear Size (W*C*H)1200mm*800mm*650mmMin thickness6mmCasting Weight Range0.5 - 100kgCasting Dimension ToleranceCT8Casting Surface RoughnessRa12.5 - Ra25um16. CASTING PROFILE 1. Casting Marterial ProfileAlloy steel: 45%Carbon steel: 35%Stainless steel: 10%Iron: 10%2. Casting Weight Profile0.1-5kg: 20%5-20kg: 50%20-50kg: 20%Above 50kg: 10%3. Business Share By IndustriesAutomobile : 25%Material Handling Equipment: 25%Construction Equipment: 20%Rail: 10%Agricultural Machinery: 10%Other industries:10%4. Globa Market ShareNorth America: 20%Europe: 40%Japan& Korea: 10%Domestic market: 15%Other: 15% Machining Starting from machining and dedicated to machining for 30 years, Longxing is matchless regardless of technology, equipment and capacity in the industry.17. MACHINING SHOP PROCESS OVERVIEW18. KEY MACHINING EQUPIMENT / MACHINE DETAIL19. KEY MACHINING EQUPIMENT / MACHINE LISTHorizontal Machining Center(4 Axis): 11CNC Milling: 10Vertical Machining Center(4 Axis) : 56CNC Drilling: 5Gantry Machining Center: 1Drilling and Tapping Center: 7Turn Center: 1Milling Machine: 6CNC Lathe: 35Drilling Machine: 5Turning Milling Center: 21 Total 200+ Various Machining Equipment20. MACHINING SPECIFICATIONMachining Material RangeCarbon steel, Alloy steel, Stainless steel, Cast Iron, Aluminum Alloy, Copper AlloyMain machinesFour-axis Horizontal Machining Center, Four-axis Vertical Machining Center, CNC Milling Machine, CNC Lathe, Turning and Milling Center, Drilling and Tapping Center, CNC Drilling Machine, Multi-station Special MachineMachine AccuracyPositioning Accuracy±0.004mm, Repeatability±0.003mmMaximum Cutting Diameterφ1000mmMaximum Machining Length1800mmMaximum Travel (x,y,z axis)1800x850x700mmMaximum Spindle Speed12000 r/minMaximum Workpiece Weight2500kgMachining Surface Roughness RangeRa0.8 - Ra6.3um21. SURFACE TREATMENTSKTL(E-coating)Wet PaintingZinc PlatingHot GalvanizingMirror PolishingPowder CoatingSand BlastingNickel PlatingAcid PicklingAnti Rust DipBlack Oxide Other Production Capabilities Cutting Plate & Sheet Metal, WeldingLongxing is committed to providing one-stop overall solution for OEM customers to manufacture metal components in casting related assembly unit such as cutting plate, sheet metal, welded parts and assembly parts . Longxing has developed into a metal parts manufacturer that produce customized components combined various kinds of manufacturing processes.22. CUTTING PLATE & SHEET METALLaser Cutting Machine(Han's 8000w)Sheet Size (length X width): 6500 X2500mmSheet Thickness:≤25 mmLaser Cutting Machine (Han's 20000W, 40000W)Sheet Size (Length X Width): 13000 X 3000 mm20000W: Sheet Thickness: ≤40 mm40000W: Sheet Thickness: ≤70 mmCNC Plasma Cutting MachineSheet Size(length X width): 9500 X4200mmSheet Thickness:≤150mmCNC Flame Cutting MachineSheet Size(length X width): 9500 X4200mmSheet Thickness:≤250mmAutomated Shot Blast MachineSheet Size(length X width): 4000 X1200mmCNC Bending MachineWork Scope: ≤3200mmSheet Thickness:≤12mmFour Column Hydraulic Press Machine (YN32-650)Work Scope: ≤820 X800mmSheet Thickness:≤35mmCrawler Deburring Machine 23. WELDING & ASSEMBLYWelding Robot(YA1VAR61CJO)Welding Robot(YA-1VAR61F00)Welding Robot(YA-1VAR61F002)Welding Robot(YA-1VAR61F00T)Laser Welding Machine(W100B) Quality Control Quality is central to everything we do. It is our level of commitment to deliver a high quality product, ensured by a tight process control, that means we are able to repeatedly exceed our customers' expectations.Every employee at Longxing is responsible for vigilantly watching over every step of our input and output processes.Our products go through strict quality checks at every workstation to achieve maximum quality control for each manufacturing process. 24. QUALITY CONTROL-CREDENTIALS 25. TEST FACILITIES CAPABILITIES1. Chemical analysis2. Metallography3. Tensile strength4. Yield Strength5. Elongation rate6. Shrinkage rate7. Impact test8. Harness test9. Dye Penetrant10. Radiography (RT)11.Magnetic Particle (MT)12.Ultra-Sonic (UT) 13.Surface Roughness Test14.Microscopic Measurement15.3D scanner16.CMMTotal 60+ Various Inspection Equipment26. KEY TEST FACILITIES 1. Direct-Reading Spectrometer10.Microhardness Tester2. Non-contact infrared thermometer11.Surface Roughness Tester3. Metallographic Microscope12.Coating Thickness Meter4. Tension Tester13.Salt Spray Testing Machine5. Low Temperature Chamber For Impact Specimen14.Deep Penetration Microscope6. Impact Test Machine15. Video Measurement Machine7. Magnetic Particle Testing Machine19. 3D Scanner8. Ultrasonic Testing Machine20.Coordinate Measuring Machine9.X-ray Tester 27. APQP and Inspection Report: APQP-CastingProcess Flow DiagramsControl PlanProcess FMEACasting Process InstructionSolidification Simulation ReportHeat Treatment Work InstructionCasting Final Quality Control WIVisual Inspection VI For Surface IrregularitiesAPQP-MachiningProcess Flow DiagramsControl PlanProcess FMEAMachining Process InstructionGauge List And Validation PlanFinal Quality Control Work InstructionSheet Metal Welding Quality Management DocumentsProcess Flow DiagramsControl PlanProcess FMEAOperation Instruction for WeldingOperation Instruction for CuttingWelding Penetration ReportEquipment Maintenance Plan and GuidanceFinal Quality Control Work Instruction for Sheet MetalFinal Quality Control Work Instruction for WeldingOther Quality DocumentPPAP ChecklistMeasurement System Analysis StudyProcess Capability StudiesMachine Capability IndexOverall Equipment EffectivenessCorrective Action Report (8D)Continuous Improvement Implementation PlanLean Manufacturing Continuous Improvement PlanPackaging InstructionInspection Report 1. Material Test Report 2. Magnetic Particle Inspection Report 3. Ultrasonic Examination Report 4. Radiographic Test Report 5. Destructive Test Report 6. Coating Test Report 7. Visual Inspection Report 8. Casting Inspection Report 9. Dimensional Inspection Report 10. CMM Report Competitive Advantages28. Competition Advantages: Advantages 1: High Engineering and Technical Capability Our industry top engineering technical team is with special skills and rich experience in product design, casting, heat treating and machining fields.. Based on customer needs, from the beginning of product development we offer casting solution to optimize product design, reduce costs and create best value for customers.Special techniques enable us to be competent with key processes at Wax Injection & Shell Making when manufacturing parts with sophisticated inner structure.Use casting simulation analysis system software to ensure 100% one-time success of PPAP sample..Advantages 2:Advanced Inspection Equipment, Processes & Strong Quality Assurance CapabilityOur full range testing equipment is leading in the industry to guarantee we continually provide only high-quality products for our customers.Always follow ISO9001 and IATF16949 quality management system, implement 5S and Kanban site management to guarantee quality.IQC, IPQC and FQC quality management team to control all production processes effectively to prevent occurrence of nonconforming product. Our casting PPM ≤6000,Machining PPM ≤50We stick to the quality management philosophy: Starting from the customer needs and ending with their satisfaction and focusing on customer demands and exceeding their expectation.Advantages3: Great Customer Service Our staffs are with abundant commercial experience, good language ability, and rich foundry and mechanical background to provide customers with superior service. We are committed to providing customers with accurate, careful and speedy service. Provide fast and effective feedback within 48 hours for Quotation, Quality Complaints and Emails.Information-based management system is established and is driven by ERP and PMC system to ensure 95% on time delivery rate and aim for 99.9%.Advantages 4: Powerful deep-processing capability is core competitive advantage that makes us different from others in the industry.The machining facilities and foundries have independent management teams to maximize focus and skill sets.We have transformed and upgraded to a process focused manufacturer with expanded manufacturing capabilities and is committed to being a one stop solution provider for top-end markets.High technical expertise of precision machining castings and related cutting plate, sheet metal, welding and assembly capabilities is the best choice for you.17. Contact Information:
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