High Precision Custom CNC Metal Components Turning Milling Aluminum Stainless Steel Brass Processing Machining Service

• Customization: Available
• Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
• Standard: GB
• Model NO.: ZZCT-CMP-AP-59
• MOQ: 3 PCS
• Drawing Format: 2D/(Pdf/CAD)3D(Iges/Step/STP)etc
• Quality Control: 100% Inspention
• Service: One-Stop Service/OEM/ODM CNC Machining Parts Servi
• Color: Black/Blue/Dark Grey/Orange/Red, etc
• Equipment: CNC Machining Center, CNC Lathe
• Process: CNC Turning, Milling, CNC Machining, Lathe
• Tolerance: +/-0.01 or Custom
• Surface Roughness: Ra 0.1~3.2
• Logo: Support Custom Logo
• Micro Machining or Not: Micro Machining
• Part Size: According to Customer Requirements
• Testing Facility: CMM, Projector, Roughness Tester, Hardness Tester
• Transport Package: Poly Film and Carton
• Specification: According to Customer Drawing or Request
• Trademark: CHENTONG MACHINERY
• Origin: Zhengzhou, Henan Province, China
• HS Code: 8479909090
• Production Capacity: 500000 Pieces/Month
• Package Size: 40.00cm * 40.00cm * 40.00cm
• Package Gross Weight: 2.500kg

Product Description

CNC Turning Capabilities

Our CNC turning service is suitable for producing high-precision cylindrical parts such as shafts, bushings, connectors, and mechanical components.
Processing Features:
1.High Concentricity 
2.Stable Dimensional Accuracy
3.Smooth Surface Finish
Minimum Order: Prototype Available (1 Piece)
Lead Time:Sample: 1 – 3 Days
Mass Production: 7 – 15 Days
Quotation Time:Within 3 Hours

CNC Milling Capabilities

Our CNC milling service is designed for manufacturing complex precision components with high dimensional accuracy and excellent surface finish. We support both prototype development and large-scale production.
Machining Capability: 3-Axis / 4-Axis / 5-Axis CNC Milling
Accuracy Standard Tolerance: ±0.01 mm
Precision Area: ±0.003 – ±0.005 mm
Surface Finish: Ra 0.1 – 3.2 μm
Production Capacity: Up to 280,000 Parts Per Month
Maximum Machining Size: 1000 mm

We are proud to hold several production certificates for our CNC machining services, demonstrating our commitment to quality, reliability, and continuous improvement. Our company strictly follows standardized management systems to ensure stable production and consistent product quality.

1.Environmental Quality Management System Certification 

2.ISO 9001:2015 Quality Management System Certification

3.High-tech Enterprise Certificate

OUR SERVICE

Processing	CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding
Materials	Aluminum: 2000 series, 6000 series, 7075, 5052, etc.
	Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc.
	Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc.
	Brass: C230, 260, C360, H59, H60, H62, H63, H65, H68,H70 ,Bronze, Copper101,110, etc.
	Titanium: Grade F1-F5
	Plastic:Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.
	Iron: 20#, A36, 45#, Q235, Q235, 1214/1215, 12L14, Carbon steel, 4140/4130 etc.
Drawing Format	IGES, STEP, STL, PTC Creo,PRO/Engineer, Auto CAD(DXF,DWG), Solid Works , UG, CAD / CAM / CAE, PDF,TIF etc.
MOQ	1 PCS
Surface Treatment	Anodizing, Bead blasting, Silk Screen, PVD Plating,Zinc/Nickel/Chrome/ Titanium Plating,Brushing, Painting,Powder Coating,Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave Etc.
Surface Roughness	Min Ra 0.1~3.2
Tolerance	±0.01 ~ ±0.005mm
Testing Equipment	CMM;Tool microscope;multi-joint arm;Automatic height gauge;Manual height gauge;Dial gauge;Marble platform;Roughness measurement.
Quality Control	1.100% QC quality inspection before delivery. 2.Final inspection report would be sent with goods together. 3.100% Refund guaranteed for any quality issues.
Service mode	OEM or ODM

High Precision Machined Components

Custom CNC Parts to Your Specifications

Advanced Multi-Axis Machining Capabilities

CNC Motorcycle Engine Components

Complex Geometric Parts with Tight Tolerances

OEM CNC Spare Parts for Industrial Equipment

Materials & Surface Treatment

Aluminum

Material:2024, 5052,5083, 6061,6061-T6, 6063,6082, 7075, etc. Tolerance: +/- 0.01~0.002mm 
Surface treatment: oxidation,

electrophoresis,sandblasting, electroplating, chemical treatment,

painting, hard anodizing, heat treatment, etc

Stainless Steel.

Tolerance: +/- 0.01~+/-0.002mm
Material: SUS303, SUS304, SS316, SS316L,etc.

Surface treatment: Electroplating, galvanizing, spraying, oxidation, polishing, spray grinding, passivation, heat treatment,pickling,shot peening,etc.

Plastic / Injection Molding
Tolerance: +/- 0.01~+/-0.005mm
Material: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. Surface treatment: Spraying,sandblasting, painting, pickling, alkali cleaning, anodizing, ion implantation, thermal transfer printing, engraving, etc.

Brass/Copper

Material: HPb63, HPb62, HPb61, HPb59, H59,H62,H63,H65,H68, H70,H80, H90, C110, C120, C220, C260, C280, C360 etc.Tolerance: +/- 0.01~0.002mm 
Surface treatment:

electroplating, tin plating, spraying, oxidation, polishing, spray grinding, heat treatment,pickling, shot peening,etc.

Surface Treatment

Surface Treatment Options for CNC Machined Parts
(1) Mechanical Surface Treatments:
Includes sandblasting, brushing, shot blasting, polishing, burnishing, rolling, coating, painting, powder coating, silk screen printing, pad printing, water transfer printing, and electrophoretic coating.
(2) Chemical Surface Treatments:
Such as black oxide (bluing), phosphating, pickling, electroless plating, TD treatment, QPQ treatment, carburizing, nitriding, chemical oxidation, and passivation.
(3) Electrochemical Surface Treatments:
Including anodizing, hard anodizing, electropolishing, and electroplating.
(4) Advanced Surface Treatments:
Such as Chemical Vapor Deposition (CVD), Physical Vapor Deposition (PVD), ion implantation, ion plating, and laser surface treatment.

Test Equipment

Strict Quality Inspection for Every CNC Part

  Our quality control process covers every stage of production — from material verification to dimensional inspection using CMM and other precision instruments. Each part is tested to meet international standards, ensuring consistent accuracy, durability, and performance for every delivery.

Factory Show

About Zhengzhou Chentong Machinery Equipment Co., Ltd.

Founded in 2016, Zhengzhou Chentong Machinery Equipment Co., Ltd. is a professional manufacturer focused on high-precision CNCmachining and complex component manufacturing.
We operate an 8,000 m³,modern facility equipped with advanced 3-axis, 4-axis, and 5-axis CNC machines, enabling us to handle high-complexity parts with tight tolerances and consistent repeatability.

Backed by ISO 9001 certification and over 60 process patents, we ensure stable quality, strict precision control, and reliable mass production capability.In addition to CNC machining, we provide one-stop manufacturing solutions, including:sheet metal fabrication, 3D printing, mold design & manufacturing, and casting—covering the entire process from prototyping to
volume production.
Our parts are widely used in medical, new energy, automation, and communication industries, meeting demanding standards for precision and performance.
With customers in 26+ countries, we are trusted for our fast response, 99.6% on-time delivery, and ultra-low defect rate of 0.12%.
Precision first. Capability driven. One partner for all your manufacturing needs.

FAQ

Q1 : Do you customize products according to our design drawings ?
A1 : Yes, we are a professional metal manufacturing factory with experienced engineering team, which can make customized products
according to customer drawings.
 
Q2 : Will my design drawings be safe when you get it ?
A2 : Yes, we will not publish your design to a third party unless your permission is obtained. We can sign NDA before you send the
drawings.

Q3 : Does the company have the capacity for mass production?

A3 : The company has independent production and large-scale production conditions, one-stop service,70 CNC machine tools,40
injection molding machines, and has its own mold workshop.
 
Q4 : How to deal with surface treatment problems?
A4 : Sample color identification and dispensing ensure batch color consistency, strengthen manual inspection, avoid the defective
products.
 
Q5 : How to avoid mass order quality problems?
A5 : Strengthen the prevention and inspection in advance of the process of production and processing, set important processes as
the key point of quality control, follow up the inspection and defense throughout the process.
 
Q6 : lf we don' t have shipping forwarder in China,would you do this for us? 
A6:We can offer you best shipping line to ensure you can get the qoods timely at best price!