OEM Machining Precision Investment Steel Casting Parts

Model NO.: brake hanger
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
Trademark: LX
Transport Package: Plywood Case or Iron Pallet Packing
Specification: precision casting
Origin: Ningbo, Zhejiang, China
HS Code: 87081000

OEM Machining Precision Investment Steel Casting Parts  

1.Company Profile:


Specializing in the manufacturing of lost wax investment castings and finished products in carbon steel and alloy steel, our company is a world class manufacturer and supplier of investment castings in China. It consists of 2 major facilities, both steel casting foundry and CNC machining factory which enable us to supply both precision castings and finished products with an annual production capacity of over 20,000 tons, and the products are mainly exported to Europe, America, Japan and other destinations around the world.

The headquarters of our company is located in the famous industrial town Yinzhou, Ningbo in China. It is very convenient to be reached with an advantageous geographic position; it is located about 30 kilometers away from the Bei-lun Port which is the second biggest port in China, and about 15 kilometers away from the Lishe International Airport. The principal production base of the cast steel foundry is located in Qiucun Town, Fenghua, Ningbo, a distance of 15 kilometers away from the Headquarters. Our company was established in 1992, it covers a total area of 40,500 square meters and now has more than 500 employees, including 10 engineers and 60 technicians. The company owns a brand-new foundry, which covers an area of more than 30,000 square meters.

Our products cover a wide range of industries including train; railway, automobile; truck, construction machinery, mining machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery, construction, valve and pumps, electric machine ,hardware, power equipment and so on. We are capable to produce products according to customers' drawings or samples, we focus on both carbon steel and alloy steel. Up to today, more than 100 raw materials and 5,000 kinds of different products have been developed and produced by us. We are familiar with the various industrial standards, such as Chinese GB, American ASTM, AISI , German DIN, French NF, Japanese JIS, British BS, Australian AS and Association of American Railroads (AAR ) and other industrial standards.

OEM Machining Precision Investment Steel Casting Parts

2. Our Mission:

Create the Best Value for Customers,Contribute for Equipment Manufacturing in the World.

3. Our Values:

  • Moving with the Times
  • Pioneering and Innovation
  • Harmony and Win-Win
  • Striving for Excellence

4.Human Resources:
Working Style: Sincere pragmatic ,  Persistent effort ,  Teamwork ,  Struggle&Transcend
Employee Image: Elegant style,  Polite and courteous,  Warmly and humble,  Be neither Arrogance nor Inferiority,  Preciseness and Professional.

                            Human resources
Casting Engineers 3
Material Engineers 1
Heat Treatment Engineers1 1
Machining Engineers12 5
Professional Technician 12
QA 28
Production Managers 55
Sales &Customer Service Staffs18 18
Direct Labor 390
                              Total :513

5.Annual Turnover:
Expected Target : Up to 2020, annual turnover exceeds 60 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

6.Product Descripition:

Description Investment casting 
Material Carbon steel, alloy steel, stainless steel
Process Lost wax casting + cnc machining
Casting dimension tolerance CT7
Casting surface roughness Ra 12.5um
Casting weight range 0.1-90kg
Size Max linear size: 1200mm, Max diameter size: 600mm
Machining Precision Positioning accuracy 0.008mm, Rep. position. accuracy 0.006mm
Machining surface roughness Ra0.8~6.3um
Max Machining Travel Of Spindle 1900mmx850mmx700mm
Max Machining Turning Diameter 830mm
Material standard GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR.......
Surface treatment KTL(E-coating), Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling,  black oxide, Painting, Hot galvanizing,Powder coating, Nickel plating
Service available OEM & ODM 
Quality control 0 defects,100% inspection before packing  


Train & railway, automobile& truck, construction machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery, construction, valve and pumps, electric machine, hardware, power equipment and so on.

7.Product Profile:

1. Marterial percentage

alloy steel:45%          
carbon steel:35%
stainless steel:10%

2. Casting weight percentage

above 40kg:10%

3. Industry percentage

Components for train & railway: 25%
Components for automobile & truck: 30%
Components for construction machinery & forklift: 25%
Components for agricultural machinery:10%
Other machinery compponents:10%

4. Globa market share

United States:30%
Japan& Korea:15%
Domestic market:15%

5. Production capacity

Production Capacity: 25,000 tons / year
The Current Production Output: 18,000 tons / year
Production Saturation Percentage:72%

8. Manufacturing  Process:
Process design⇒ Tooling making ⇒ Wax injection ⇒Wax pattern assembly⇒ Mold preheat ⇒ Wax removal ⇒Stuccoing ⇒Dipping Casting⇒  Mold shake out  ⇒Work piece cut-off ⇒ Grinding ⇒ Pack& transport ⇒ Final inspection  ⇒Machining ⇒ Heat treatment

OEM Machining Precision Investment Steel Casting Parts
OEM Machining Precision Investment Steel Casting Parts
OEM Machining Precision Investment Steel Casting Parts
OEM Machining Precision Investment Steel Casting Parts

9.Major Machining Equipment List:

Machining Capabilities
Three-Axis turning centre 1 set
Four-Axis Horizontal Machine Center 1 set
Vertical Lifting Milling Machine 4 sets
Plane Milling Machine 2 sets
CNC Lathe Machine 27 sets
Engine Lathe Machine 6 sets
Radial Drilling Machine 4 sets
CNC Drilling Machine 5 sets
Four-Axis Vertical Machine Center 21 sets
CNC Milling Machine 6 sets
Universal Milling Machine 2 sets
Fase Milling Machine 3 sets
Oblique Guide CNC Lathe Machine 2 sets
Special Lathe 5 sets
Porous Drilling Machine 1 set
Cylindrical Drilling Machine 11 sets

10. Key Testing Equipments:
1.Direct-Reading Spectrometer 12.3D Scanner
2.Non-contact infrared thermometer 13.Coordinate Measuring Machine
3.Metallographic Microscope 14.Surface Roughness Tester
4.Tension Tester 15.Ultrasonic Testing Machine(HS600)
5.Low Temperature Chamber For Impact Specimen 16.Coating thickness gauge
6.Impact Test Machine 17.Portable Magnetic Particle Tester
7.Magnetic Particle Testing Machine 18.Portable Hardness Tester
8.Ultrasonic Testing Machine 19.Hardness Test  Machine
9.X-ray tester 20.Rockwell Hardness Test Machine
10.Surface Roughness Tester 21.Contact infrared thermometer
11.Video Measurement Machine  

11.We provide various test facilities as mentioned under:
1. Chemical analysis
2. Tensile strength
3. Elongation rate
4. Shrinkage rate
5. Impact test 
6. Harness test
7. Metallography
8. Non-destructive tests(including dye-penetrant, ultrasonic, magnetic particle and radiography)
9. Surface roughness test 
10. CMM test 

12.APQP and Inspection Report:
  1. Process Flow Diagrams
  2. Control Plan
  3. Process FMEA
  4. Casting Process Instruction
  5. Solidification Simulation Report
  6. Heat Treatment Work Instruction
  7. Casting Final Quality Control WI
  8. Visual Inspection VI For Surface Irregularities
  1. Process Flow Diagrams
  2. Control Plan
  3. Process FMEA
  4. Machining Process Instruction
  5. Gauge List And Validation Plan
  6. Final Quality Control WI 
Inspection Report-Casting
  1. Material Test Report(A)
  2. Material Test Report(B)
  3. Magnetic Particle Inspection Report
  4. Ultrasonic Examination Report
  5. Radiographic Test Report
  6. Destructive Test Report
  7. Coating Test Report
  8. Visual Inspection Report
  9. Casting Inspection Report
Inspection Report-Machining 
  1. Dimensional Inspection Report(A)
  2. Dimensional Inspection Report(B)
  3. CMM Report
Other Quality Document 
  • PPAP Checklist
  • Measurement System Analysis Study
  • Process Capability Studies
  • Corrective Action Report(8D)
  • Packaging Instruction

13.Core Competition Advantages:
Advantages 1:High Engineering and Technical Capability
  1. An industry's top engineering technical team , with special skills and rich experience in product design, casting ,heat treating and machining fields.
  2. Special Techniques Enable LONGXING to Be Competent with Those Difficulties at Wax Injection & Shell Making Procedures When Manufacturing the Parts with Inner-Sophisticated-Structures
  3. Based on customer needs, in the beginning of product development, offer a solution, casting design, by structural component designed to casting parts, optimize the product design, then reduce costs and creating the best value for the customers.
  4. Use casting simulation analysis system software 100%  to ensure the success of the one-time trial sample 
Advantages 2: Advanced Inspection Equipment & Strong Quality Assurance Capacity
  1. Our testing equipments are not only leading in the industry, and also has a very complete range, they are   hardware guarantee to ensure us continue to provide high-quality products for our customers .
  2. IQC, IPQC and FQC quality management team to control the whole production process, effectively prevent the generation of  unqualified product.
  3. Our casting' PPM ≤1000 Machining ' PPM ≤600
  4. Carrying out ISO9001 and TS16949 quality management system, full implementation of 6S and Kanban site management, which is software guarantee of the quality.
  5. We sticks to the quality management philosophy that "Starting from the customer needs and ending with their satisfaction, focusing on customer demands and exceeding their expectations".
Advantages3: Good Customer Service
  1. LONGXING can provide customers with good service, our staff have abundant commercial experience, good language ability, and rich foundry or mechanical background. We are committed to providing customers with accurate, careful and speedy service.
  2. Quotation, Quality Complaints and Email Response get fast effective feedback within 48 hours.
  3. We have carried out an information-based management which is driven by an ERP and PMC system, to ensure on time delivery rate: 95%
 Advantages 4: Powerful Deep-processing Ability
  It is the best core competitive advantage different with others in the industry
  1. Machining capability as the same as casting, the machining facility is fully independent from the casting foundry and has an independent management team and tailored business model to suit.
  2. High technical content in machining, and casting with sheet metal, welding, assembling, LONGXING has the most competitive advantage, it is the best choice for you.
  3. LONGXING has completed a transformation and upgraded to a deep-processing manufacturer with expanded production capabilities and is committed to be equipped with other capabilities except casting, we focus on developing terminal products for top-end markets.

14. Contact Information:
OEM Machining Precision Investment Steel Casting Parts



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