• iMission Industry Co.,Ltd
    Motomotive, LLC
    The precision of the products I ordered is very high, I did not expect that this company can control the tolerance to the range I need, and the service is very good and every problem can be solved.
  • iMission Industry Co.,Ltd
    JADA INTERNATIONAL
    Had an order made from steel, quality is great! Everything was to spec and the part fit perfectly for what was needed. Would use this company in the future!
  • iMission Industry Co.,Ltd
    Connecticut
    They followed our technical drawings to perfection. No deviations in critical dimensions, and everything matched our CAD files precisely
  • iMission Industry Co.,Ltd
    Morimoto
    these are amazing quality. I ordered from three companies from China this company had my order to me immediately very impressed with their diligence and shipping is 10 stars! I'll be making another order right now.
Contact Person : Mady Gong
Phone Number : 8613392827359
WhatsApp : +8613392827359

ISO9001 Certified 4140 Steel Precision CNC Machining Service with 100% Inspection

Place of Origin China
Brand Name IMission
Certification ISO9001:2015
Model Number CNC Machining Parts
Minimum Order Quantity I PC
Price 0.1~5USD
Packaging Details Bubble and Carton or Customization
Delivery Time 7~35 working days
Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability 10000pcs per month
Product Details
Material 4140 Steel Weight 0.1-10 Kg
Service OEM ODM Customer's Drawing Key Word 4140 Steel CNC Machining Parts
Shipping Method Express, Air, Sea, Etc. Feature Durable And High Precision
Color Customized,OEM Tolerance +/-0.001~0.005mm
Package Pallet,Carton,Standard Package Drawing STEP;IGES,SolidWorks (sodprt), PRT, AutoCad, Or Samples
Surface Finishing Anodizing, Plating, Polishing, Anodize, Oxide, Laser, Engrave, Painting,Acetal,POM... Processing CNC Machining, CNC Milling, CNC Turning,Stamping,Welding,Punching,Welding Cutting Punching Stamping,Drawing Etc
Highlight ISO9001 Certified CNC Milling Parts,100% Inspection CNC Machined Parts
Highlight

ISO9001 Certified CNC Machining Service

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4140 Steel Precision CNC Machining

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100% Inspection CNC Machined Parts

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Product Description
Durable 4140 Steel High Precision CNC Machining Service with QPQ Surface Finishing
Precision CNC machining of 4140 steel components Our high precision CNC machining service delivers exceptional accuracy and quality for 4140 steel components with QPQ surface finishing.
Product Specifications
Product Name CNC Machining
Material 4140 Steel
Surface Treatment QPQ
Processing CNC Machining
Tolerance +/-0.002~0.005mm
Drawing Accepted IGES(igs), STEP(stp), SolidWorks (sodprt), PRT, AutoCad
Inspection CMM, Projector, Height Gauge, etc.
Lead time 7~35 working days
Quality Assurance ISO9001:2015, SGS, RoHs
Payment Term MoneyGram, Western Union, T/T, D/P, D/A
Manufacturing Process
CNC milling machine producing precision metal parts CNC milling machine in operation with metal workpiece Close-up view of CNC machining process Various CNC machined metal components on display Precision CNC machined parts with smooth finishes Modern CNC machining workshop environment CNC machine tool setup for precision manufacturing Finished CNC machined components ready for shipment Quality inspection of CNC parts using precision instruments Additional view of CNC machining process
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

D
D*n
Greece Apr 10.2026
Top-notch quality and on-time delivery. Trustworthy seller.
C
C*a
Germany Mar 30.2026
Perfect surface finish and tight tolerances. Great job.
E
E*a
Norway Feb 25.2026
No surprise charges for tighter tolerance on one feature. Very fair. Will source more complex parts here.