OEM forged aluminum crank for bike

FOB Reference Price:Get Latest Price
US $1.8-2.9 / Piece | 1000 Piece/Pieces (Min. Order)
Supply Ability:
5000 Ton/Tons per Year
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Quick Details
Place of Origin:
Shandong, China (Mainland)
Brand Name:
Model Number:
Auto parts,machinery parts
OEM customerized
Product name:
OEM forged aluminum crank for bike
Forging+Machining(if Need)+surface Treatment
Surface treatment:
anodizing; brushed; polished
Quality Control:
Professional Inspection
Drawing Format:
Dwg .step .igs
export experience:
more than 10 years
Packaging & Delivery
Packaging Details
inner: opp film+paper box: outer: non-coniferous plywood wooden package
Delivery Time
45 days

OEM forged aluminum crank for bike

  • Production details list

    Precision processing

    OEM/ODM is available






    Product materials

    1.Steel alloy:carbon steel/alloy steel/etc

    2.Brass alloy:3602/2604/H59/H62/etc

    3.Aluminum alloy:4032,4004,4047 etc

    4.Other special materials:copper/bronze/etc

    We handle many other type of materials.Please contact us if your required materials are not listed above.



    Process technology

    forging, Machining, Metalworking, Sheet Metal Bending, Surface Treatment, Heat Treatment, Griding, Milling, wire EDM, Linear Cutting etc.

    We can provide samples(one piece)before substantial orders.


    Surface treatment

    Blacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating etc






    Quality control

    Professional precision manufacture for more than 10 years.

    1.Quality control:The defective products rate is 0.1%. Imported material 100%.

    2.Reasonable price.Precision made. Experienced&Responsible QC that you can reply on.

    3.Each part would be given 100% test and tryout before shipment.

    4.Adequate supply capacity. Punctual delivery time.

    5.Best after sales service is provided.

    File formats

    Pro/Engineer, Auto CAD(IGS,DXF,DWG,STP,STL and X-T), SolidWorks, Unigraphics, PDF,TIF etc

    Facility may involved for Q&C:

  • Material:

    lChemical composition:

    Ø OBLF Spectrometer with 29 channels in bi-metal of AL+FE

    lMechanical Property

    Ø Hardness test

    Ø Mechanical property inspection

    Ø Impact inspection


    Ø Microscope Metallographic Analysis as per AQL based on heating number

    lStructure tightness

    Ø Destruction test

    Ø Weight test

    Crack inspection:




    Coating test:

    lCoating thickness tester

    lSalt spray test


    lConventional gauge

    lGo & No-go gauge


    Leakage check

    Press load test

    Ø Will be effected acc. to different projects.



    Output of our Q.C.:

    lFinished products:

    Ø meets AQL requirement. 50ppm, 500ppm, 1000ppm, 5000ppm may vary acc. to project.

    lQ.C report:

    Ø Dimensional report(all dimension/key dimension)

    Ø Material report in 3.1b acc. to EN10204(2004)

    Ø Other detailed report like heat treatment curve, crake testing,

    Ø pressure testing, leakage inspection also available if needed.

    lImprovement plan

    Small order can be accepted!


Company Information


  • Inspection Devices
Product Description


Packaging & Shipping


Seaworthy package and 100% safety:

Carton(less than 20kg/ctn)+  non-coniferous wooden package.

inner: carton
outer: non-coniferous wooden plywood box

Our Services


 1.High quality Guarantee. We have strict quality control system from raw material, in production and after production. When the goods are ready, we also have 15% spot check. Distinguished customer inspection are also warmly welcomed.


2.Competitive price. We are TS16949, ISO9001:2008 factory and have our own purchase department and cost control department. Producing so many years forging parts, we also have a good reputation and relationship with material supplier.


3.Technician support. Drawing updated,such as: find the best way to antirust or how to make parts assembly better, etc.


4.Friendship and Long-term cooperation. You will be our great friends through our cooperation. All of our staff willing to make friends with you. Also you will find your other suppliers by our efforts.





1.  Can you accept OEM parts?

 Yes, Wotech is specialized in oem parts based on your 2D drawing in jpeg or pdf/ 3D drawing in step or igs. Wotech can also produce the part by your sample.


2. How long time can you quote?

 Within 3 working days when your inquiry confirmed.


3. How long time do you need to develop the samples and produce the batch order?

 Generally speaking, we need about 25 days to do the mould and 5 days to do Die Trial. If it has machining, we may totally need around 45 days. 

Once the samples are confirmed, we may need 45 days for batch production.


4.  How do you do the Quality Control?

 First of all, Wotech is aiming to avoid any problems before the production. So we will confirm every detailes before the quotation. Once the order is confirmed, we will also re-confirm all the detailes with the customer and the factory. Only by this way, we can avoid the mistakes and save the cost for YOU, WOTECH AND THE FACTORY.


Second, Wotech has a strict requirment for our suppliers on the quality control. They must be performed according to ISO9001 or TS16949 Standard. Such as Initial sample test, last sample test, Random test etc.


Third but not last, Our QA will go to factory during the production and do the random test.