- Overview
- Company Profile
- Casting
- Machining
- Other Production Capabilities
- Quality Control
- Competitive Advantages
Basic Info.
Model NO.
support
Surface Roughness
Ra12.5
Machining Tolerance
+/-0.01mm
Standard
ASTM. AISI. DIN. BS. JIS. NF. as. AAR
Certification
ISO 9001:2008, Ts16949/ISO14001/TUV
Heat Treatment
Quench and Temper by 2 Set Mesh Belt Furnaces
Machining Facility
20 Machining Centers+50 Nc Machines
Inspection
Mt/Ut/Rt/100% Visual+100% Gage/CMM
Dimensions
OEM Customized/Customer′s Drawing
Tolerance
as Drawing
Transport Package
Plywood Case or Iron Pallet Packing
Specification
forklift casting
Trademark
LX
Origin
Ningbo, Zhejiang, China
HS Code
87081000
Production Capacity
20000 Tons/Year
Product Description
OEM Heat Treatment Alloys Investment Steel Casting
| 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. |
1. OPERATING STRUCTURE
|
| Ningbo Fenghua Huawei Investment Casting Co.,Ltd | Casting |
| Ningbo Qianhao Machinery Co.,Ltd | Cutting Plate & Sheet Metal |
| Ningbo Qianhao Metal Product Co.,Ltd | Machining & Welding |
| Ningbo Yinzhou Longxing Machinery Manufacturing Factory | Corporate Headquarter |
| Ningbo Qianhao Industry Co.,Ltd | Under Construction |
2. FOUNDRY OVERVIEW---Huawei Foundry
|
3. SHEET METAL OVERVIEW---Qianhao Machinery
|
4. MACHINING OVERVIEW---Qianhao Metal
| Established in 2009 13,500 SM under roof 215+ employees Advanced high and CNC equipment 50+ vertical and horizontal machining centers Some abroad brand equipment - Doosan 80+ CNC machines (lathe, milling, drilling ) 80+ additional supporting equipment 5 welding robots | Product Offering: Machined profiles( rods, tubes etc.) Machined steel castings Machined stainless steel castings Machined iron castings Machined aluminum castings Machined forgings Machined cutting plates and sheet metal Welded parts Assembly parts |
5. HEADQUARTER OVERVIEW---Longxing Machinery
|
6. EXPANSION 2025---Qianhao Industry
|
7. HISTORY
Since 1992
| 1992 | Ningbo Yinzhou Longxing Machinery Manufacturing Factory was established. Mainly engaged in machining. |
| 1999 | Renovated investment casting production lines with precision casting production capacity 5,000 tons. |
| 2001 | Obtained ISO9001:2000 certificate.. |
| 2003 | Products began to export. |
| 2005 | Ningbo Fenghua Huawei Investment Casting Co., Ltd was established. |
| 2007 | Cooperated with Bombardier, the first railway OEM customer abroad. |
| 2008 | Moved casting production line to Huawei with capacity 15,000 tons. Cooperated with Hyundai North America, the first automobile OEM customer abroad. |
| 2009 | Ningbo Qianhao Metal Product Co., Ltd was established for machining and import & export business. |
| 2011 | Obtained TS16949:2009&ISO14001:2004 certificate. |
| 2012 | Cooperated with Doosan in South Korea, the first construction equipment OEM customer abroad. |
| 2013 | Increased production capacity to 20,000 tons. |
| 2014 | Established ERP production management system and 5S management system. |
| 2015-2018 | Installed automatic and semi-automatic wax and shell making lines, pouring lines and more advanced environmental protection devices. |
| 2020 | Qianhao Metal Yunlong Facility Started Operation. |
| 2022 | Qianhao Machinery Started Operation. |
8. STAFFING
Enterprise Spirit: Moving with the times, Pioneering and innovating, Harmony and win-win, Striving for excellence
Employee Image: Elegant style, Polite and courteous, Warmly and humble, Be neither arrogant nor inferior, Precise and professional.
| Casting Engineers | 3 |
| Material Engineers | 2 |
| Heat Treatment Engineers | 1 |
| Machining Engineer | 5 |
| Sheet Metal & Welding Engineer | 3 |
| Project Engineer | 5 |
| Professional Technician | 11 |
| QA | 49 |
| Production Management | 19 |
| Supply Chain Management | 7 |
| Management and Supervision | 42 |
| Sales &Customer Service Staff | 16 |
| Direct Labor | 297 |
| Total: 460 | |
9. Annual Turnover
Expected Target: Up to 2025, annual turnover exceeds 70 million dollars
| Annual turnover(Unit: Million Dollars) | |
| 2005 | $ 7.4m |
| 2006 | $ 9.0m |
| 2007 | $ 12.6m |
| 2008 | $ 16.0m |
| 2009 | $ 10.7m |
| 2010 | $ 15.5m |
| 2011 | $ 18.4m |
| 2012 | $ 17.6m |
| 2013 | $ 26.9m |
| 2014 | $ 32.6m |
| 2015 | $ 34.1m |
| 2016 | $ 36.6m |
| 2017 | $40.1m |
| 2018 | $43.6m |
| 2019 | $44.7m |
| 2020 | $38.5m |
| 2021 | $56.7m |
| 2022 | $58.4m |
| 2023 | $59.6m |
| Our four casting processes is able to meet customer's wide range of needs for castings of different grades and qualities. Covering different grades of casting precision (CT6-8) surface roughness (Ra6.4-25um) weight range (0.1-500kgs) |
10. LOST WAX CASTING PROCESS---ILLUSTRATION DIAGRAM
| Process 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 EQUIPMENT
13. LOST WAX CASTING PROCESS TECHNOLOGY OVERVIEW
| Casting Process | Lost Wax Casting (Investment Casting) |
| Material Range | carbon steel, alloy steel, stainless steel |
| Material standard | GB.ASTM. AISI. DIN. BS. JIS. EN. AS. AAR |
| Max Linear Size | 1000mm; Max Diameter Size: 600 mm |
| Min Thickness | 3mm |
| Casting Weight Range | 0.10~80kgs |
| Casting Dimension Tolerance | CT6-CT8 |
| Casting Surface Roughness | Ra6.4-12.5um |
| Industry Experience | rail, automobile & truck, construction & mining equipment, forklift, agricultural machinery, shipbuilding & marine, petroleum industry, construction, valve and pumps, electric motors, hardware, power equipment |
14. LOST FOAM CASTING
| Material Range | Carbon Steel, Alloy Steel, Stainless Steel |
| Max linear Size (W*C*H) | 1500mm*800mm*750mm |
| Min thickness | 6mm |
| Casting Weight Range | 1-500kgs |
| Casting Dimension Tolerance | CT6-8 |
| Casting Surface Roughness | Ra12.5um |
15. SHELL MOULDING
| Material Range | Carbon Steel, Alloy Steel |
| Max linear Size (W*C*H) | 1200mm*800mm*650mm |
| Min thickness | 6mm |
| Casting Weight Range | 0.5-100kgs |
| Casting Dimension Tolerance | CT8 |
| Casting Surface Roughness | Ra12.5-25um |
16. CASTING PROFILE
| 1. Casting Marterial Profile | Alloy steel: 45% |
| 2. Casting Weight Profile | 0.1-5kgs: 40% |
| 3. Business Share By Industries | Automobile : 35% |
| 4. Globa Market Share | United States: 30% |
| 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 OVERVIEW
18. KEY MACHINING EQUPIMENT / MACHINE DETAIL
19. KEY MACHINING EQUPIMENT / MACHINE LIST
| Horizontal Machining Center(4 Axis): 2 | CNC Milling: 10 |
| Vertical Machining Center(4 Axis) : 49 | CNC Drilling: 5 |
| Turn Center: 1 | Drilling and Tapping Center: 7 |
| CNC Lathe: 35 | Milling Machine: 6 |
| Turning Milling Center: 11 | Drilling Machine: 5 |
| Total 200+ Various Machining Equipment | |
20. MACHINING SPECIFICATION
| Machining Material Range | arbon steel, alloy steel, stainless steel, cast iron, aluminum alloy, copper alloy |
| Main machines | four-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 machine |
| Machine Accuracy | positioning accuracy±0.004mm, repeatability±0.003mm |
| Maximum Cutting Diameter | φ1000mm |
| Maximum Machining Length | 1800mm |
| Maximum Travel (x,y,z axis) | 1800x850x700mm |
| Maximum Spindle Speed | 12000 r/min |
| Maximum Workpiece Weight | 2500kgs |
| Machining Surface Roughness Range | Ra0.8 ~ 6.3um |
21. SURFACE TREATMENTS
| KTL(E-coating) | Wet Painting |
| Zinc Plating | Hot Galvanizing |
| Mirror Polishing | Powder Coating |
| Sand Blasting | Nickel Plating |
| Acid Pickling | Anti Rust Dip |
| Black Oxide |
| Cutting Plate & Sheet Metal, Welding Longxing 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 METAL
| Laser Cutting Machine(Han's 8000w) | Sheet Size (length X width): 6500 X2500mm Sheet Thickness:≤25 mm |
| CNC Plasma Cutting Machine | Sheet Size(length X width): 9500 X4200mm Sheet Thickness:≤150mm |
| CNC Flame Cutting Machine | Sheet Size(length X width): 9500 X4200mm Sheet Thickness:≤250mm |
| Automated Shot Blast Machine | Sheet Size(length X width): 4000 X1200mm |
| CNC Bending Machine | Work Scope: ≤3200mm Sheet Thickness:≤12mm |
| Four Column Hydraulic Press Machine (YN32-650) | Work Scope: ≤820 X800mm Sheet Thickness:≤35mm |
| Crawler Deburring Machine |
23. WELDING & ASSEMBLY
| Welding Robot(YA1VAR61CJO) |
| Welding Robot(YA-1VAR61F00) |
| Welding Robot(YA-1VAR61F002) |
| Welding Robot(YA-1VAR61F00T) |
| Laser Welding Machine(W100B) |
| 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 CAPABILITIES
| 1. Chemical analysis |
| 2. Metallography |
| 3. Tensile strength |
| 4. Yield Strength |
| 5. Elongation rate |
| 6. Shrinkage rate |
| 7. Impact test |
| 8. Harness test |
| 9. Dye Penetrant |
| 10. Radiography (RT) |
| 11.Magnetic Particle (MT) |
| 12.Ultra-Sonic (UT) |
| 13.Surface Roughness Test |
| 14.Microscopic Measurement |
| 15.3D scanner |
| 16.CMM |
| Total 60+ Various Inspection Equipment |
26. KEY TEST FACILITIES
| 1. Direct-Reading Spectrometer | 10.Microhardness Tester |
| 2. Non-contact infrared thermometer | 11.Surface Roughness Tester |
| 3. Metallographic Microscope | 12.Coating Thickness Meter |
| 4. Tension Tester | 13.Salt Spray Testing Machine |
| 5. Low Temperature Chamber For Impact Specimen | 14.Deep Penetration Microscope |
| 6. Impact Test Machine | 15. Video Measurement Machine |
| 7. Magnetic Particle Testing Machine | 19. 3D Scanner |
| 8. Ultrasonic Testing Machine | 20.Coordinate Measuring Machine |
| 9.X-ray Tester |
27. APQP and Inspection Report:
| APQP-Casting
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| APQP-Machining
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| Sheet Metal Welding Quality Management Documents
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| Other Quality Document
|
| Inspection 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 |
28. 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..
- Our 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 ≤50
- We 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.
- 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%.
different from others in the industry.
- The machining facilities and foundry 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.