Precision CNC Machining Services in China
Precision CNC Machining Services in China
High-Quality Parts | On-demand Custom
From Prototypes to Low-Volume Production | 3-7 Day Delivery
Affordable Custom CNC Part Prototyping with Precision and Fast Turnaround
High-Quality Parts | On-demand Custom
From Prototypes to Low-Volume Production | 3-7 Day Delivery
Affordable Custom CNC Part Prototyping with Precision and Fast Turnaround
5+ Years Experience
5+ Years Experience
ISO 9001 Certified
ISO 9001 Certified
99.8% Customer Satisfaction
99.8% Customer Satisfaction
50+ CNC machines
50+ CNC machines
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Comprehensive CNC Machining Solutions for Every Project
SMS CNC simplifies the process of sourcing custom machined parts. We offer you the capacity and capabilities of two manufacturing facilities, with the ease of dealing with SMS CNC. You get the experience and specialization of all our machinery; we handle all communications, delivery, and quality control.
CNC Turning Services
Our CNC turning services deliver precise cylindrical parts withsmooth finishes. Perfect for producing shafts, fittings, and otherround components in metals and plastics.
CNC Milling Services
Utilize our multi-axis CNC milling capabilities to create intricate partswith exceptional accuracy. From prototypes to small batches, wehandle a wide range of materials and designs.
5-Axis CNC Aluminum Machining
Leverage our advanced 3-axis and 5-axis CNC machines to producehigh-precision aluminum parts with complex geometries. Achievetolerances as tight as +0.005mm, ideal for aerospace, automotive,and electronics industries.
Why Partner with SMS for CNC Machining?
Why Partner with SMS for CNC Machining?
SMS CNC Precission simplifies the process of sourcing custom machined parts. We offer you the capacity and capabilities of two of manufacturing facilities, with the ease of dealing with SMS CNC. You get the experience and specialization of all our manchinery, we handle all the communications, delivery, and quality control .
SMS CNC Precission simplifies the process of sourcing custom machined parts. We offer you the capacity and capabilities of two of manufacturing facilities, with the ease of dealing with SMS CNC. You get the experience and specialization of all our manchinery, we handle all the communications, delivery, and quality control .
Unmatched Precision
Unmatched Precision
Rapid Turnaround
Rapid Turnaround
Material Expertise
Material Expertise
Low Volume Flexibility
Low Volume Flexibility
Quality Assurance
Quality Assurance
Experienced engineers
Experienced engineers
Using our most advanced CNC machine tools, we achieve high-precision tolerances up to ±0.01mm, ensuring your parts meet the strictest specifications.
Using our most advanced CNC machine tools, we achieve high-precision tolerances up to ±0.01mm, ensuring your parts meet the strictest specifications.
Get your parts in as fast as 3-7 days with our streamlined production process, helping you meet tight project deadlines.
Get your parts in as fast as 3-7 days with our streamlined production process, helping you meet tight project deadlines.
Work with a wide range of materials, including aluminum, stainless steel, titanium, and engineering plastics, tailored to your application.
Work with a wide range of materials, including aluminum, stainless steel, titanium, and engineering plastics, tailored to your application.
From a single prototype to small batch production, we offer flexible solutions with no minimum order quantity (MOQ).
From a single prototype to small batch production, we offer flexible solutions with no minimum order quantity (MOQ).
Certified to ISO 9001 standards, we use advanced inspection tools like CMM to ensure every part meets your exact requirements.
Certified to ISO 9001 standards, we use advanced inspection tools like CMM to ensure every part meets your exact requirements.
Our experienced engineers have previous experience in numerous CNC machining projects across multiple industries. They are able to handle any precision tolerance CNC machined part with complex geometries.
Our experienced engineers have previous experience in numerous CNC machining projects across multiple industries. They are able to handle any precision tolerance CNC machined part with complex geometries.
Precision CNC Machining for Metal and Plastic Components
Precision CNC Machining for Metal and Plastic Components
Shengmaisi is a manufacturer specializing in custom processing of precision mechanical parts, providing top-tier CNC machining services for metal and plastic components. Our advanced in-house capabilities include 3-axis, 4-axis and 5-axis CNC machining, such as milling, turning, electrical discharge machining (EDM) and surface grinding, to meet stringent precision requirements with an accuracy of up to ±0.01 mm.
We excel in custom CNC machining, supporting projects from rapid prototyping to largescale production. Our extensive surface finishing options, such as anodizing and powdercoating, ensure your parts combine high performance with superior aesthetics
We excel in custom CNC machining, supporting projects from rapid prototyping to largescale production. Our extensive surface finishing options, such as anodizing and powdercoating, ensure your parts combine high performance with superior aesthetics
From startups to global enterprises, SMS CNC is your trusted partner for advanced, on-demand CNC machining solutions.
From startups to global enterprises, SMS CNC is your trusted partner for advanced, on-demand CNC machining solutions.
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Rapid Prototyping
Rapid Prototyping
Comprehensive CNC Machining Solutions
Comprehensive CNC Machining Solutions
Low-Volume Manufacturing with CNC Machining
Low-Volume Manufacturing with CNC Machining
At SMS CNC, we deliver CNC-machined prototypes in just days, with ultra-fast lead times to help you quickly validate your designs.
SMS CNC is your trusted one-stop supplier for CNC machining, catering to projects of any scale—from small batches to high-volume production of 10,000+ end-use parts. Discover our tailored CNC machining services designed to meet your specific needs.
SMS CNC is your trusted one-stop supplier for CNC machining, catering to projects of any scale—from small batches to high-volume production of 10,000+ end-use parts. Discover our tailored CNC machining services designed to meet your specific needs.
SMS CNC offers cost-effective CNC machining for low to medium volume production, ideal for batches ranging from 100 to 1,000 parts.
SMS CNC offers cost-effective CNC machining for low to medium volume production, ideal for batches ranging from 100 to 1,000 parts.
Lower costs for efficient small-scale production
Lower costs for efficient small-scale production
Production-level quality for consistent performance
Production-level quality for consistent performance
Short lead times to speed up delivery
Short lead times to speed up delivery
Test the market with minimal investment
Test the market with minimal investment
Instant quotes for seamless project planning
Instant quotes for seamless project planning
Superior quality for reliable prototypes
Superior quality for reliable prototypes
Short lead times to accelerate your development
Short lead times to accelerate your development
Immediate DFM feedback to optimize your designs
Immediate DFM feedback to optimize your designs
Manufacture lightweight, high-strength parts like turbine blades and structural components that meet stringent aerospace standards.
Produce engine components, transmission parts, and custom fittings with tight tolerances for high-performance vehicles.
Fabricate small, intricate parts like enclosures and heat sinks for consumer electronics and telecommunications.
Create precision instruments and implants with biocompatible materials like titanium and PEEK for medical applications.
Serving Diverse Industries with Precision CNC Parts
Serving Diverse Industries with Precision CNC Parts
Aerospace parts machining
Aerospace parts machining
Automotive parts machining
Automotive parts machining
Medical parts machining
robots parts machining
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Wide Range of Materials for CNC Machining
Wide Range of Materials for CNC Machining
Aluminum
Stainless Steel
Titanium
Lightweight, corrosion-resistant, and ideal for aerospace, automotive, and electronics.
Durable and corrosion-resistant, perfect for medical devices and food equipment.
High strength-to-weight ratio, suitable for aerospace and medical implants.
Brass
Easy to machine, great for decorative and electrical components.
Copper
Excellent conductivity, used in electrical and thermal applications.
Mild Steel
Cost-effective and versatile for industrial applications.
Metals
Metals
Plastics
Plastics
Nylon
Nylon
ABS
PEEK
PEEK
POM (Delrin)
POM (Delrin)
PC (Polycarbonate)
PC (Polycarbonate)
PTFE (Teflon)
PTFE (Teflon)
Tough and impact-resistant, ideal for consumer product housings.
Tough and impact-resistant, ideal for consumer product housings.
High transparency and impact resistance, suitable for optical parts.
High transparency and impact resistance, suitable for optical parts.
High-performance plastic with excellent heat and chemical resistance, used in medical and aerospace.
High-performance plastic with excellent heat and chemical resistance, used in medical and aerospace.
High stiffness and low friction, perfect for gears and bearings.
High stiffness and low friction, perfect for gears and bearings.
Low friction and chemical resistance, used in seals and gaskets.
Low friction and chemical resistance, used in seals and gaskets.
Wear-resistant and flexible, great for mechanical components.
Wear-resistant and flexible, great for mechanical components.
Custom Surface Finishes for Your CNC Parts
Custom Surface Finishes for Your CNC Parts
Name
Name
Applicable Materials
Can be applied with
Colors
Alodine
Aluminum
Clear, gold
Media Blasting, Tumbling, Type II Anodizing* Type III Anodizing*, Type III Anodizing with PTFE*
Anodizing
Aluminum
Clear, black, grey, red, blue, gold
Media Blasting, Tumbling, Alodine*
Black Oxide
Steel, Stainless Steel
–
Black
Media Blasting, Tumbling, Passivation
Media Blasting, Tumbling
Media Blasting, Tumbling
All post processes except Electropolish and Powdercoat
All post processes except Electropolish and Powdercoat
–
Black Oxide, Electroless Nickel Plating, Zinc Plating, Tumbling, Media Blasting
Media Blasting, Tumbling, Passivation
–
–
–
–
–
Clear: light blue coating, black: glossy black coating
–
Black (20% or 90% gloss), white (20% or 90% gloss)
Steel, Stainless Steel
Aluminum, Steel, Stainless Steel
Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper
Steel, Stainless Steel
Aluminum, Steel, Stainless Steel
Steel, Stainless Steel
Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper
Aluminum, Steel, Stainless Steel
Tumbling
Passivation
Nickel Plating
Media Blasting
Electropolishing
Electroless Nickel Plating
Powder Coating
Zinc Plating
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From Design to Delivery in 5 Simple Steps
From Design to Delivery in 5 Simple Steps
Collaborate with us effortlessly: Submit your design, get expert feedback, approve your quote, and launch production. Stay informed at every stage for reliable, high-quality outcomes.
Upload Your Design
Upload Your Design
Engineering Review
Engineering Review
CNC Machining
CNC Machining
Quality Inspection
Quality Inspection
Fast Delivery
Fast Delivery
Submit your CAD file through our secure online portal to receive an instant quote within 24 hours.
Our expert engineers review your design, provide feedback, and optimize for manufacturability.
Our expert engineers review your design, provide feedback, and optimize for manufacturability.
Every part undergoes rigorous inspection using CMM and other tools to ensure it meets your specifications
Your parts are securely packaged and shipped to your location, arriving in as little as 3-7 days
What Our Clients Say About Us
What Our Clients Say About Us
Author: John S.
Author: John S.
Author: Hyman
Author: Hyman
Author: James
Author: James
SMS CNC delivered high-precision aluminum partsfor our aerospace project on time. Their 5-axismachining capabilities are top-notch!
Very fast, reliable and personable customer service. Very quick turn around and shipping. Highly recommend
As always great service
As always great service, high quality and fast delivery!
Their team provided excellent support throughoutthe process, from design optimization to finaldelivery. Highly recommend!
They were easy to work with and did anexcellent job producing my parts exactly as Ihad designed them. The quality is great and Iwill be using them again for sure!
Very fast, reliable and personable customerservice. Very quick turn around and shipping.Highly recommend
Author: Alan
Author: Bart
Author: Egbert
Our CNC Machining Capabilities
Our CNC Machining Capabilities
Materials
Lead Time
Tolerances
Min Part Size
Max Part Size
Feature
Surface Finishes
CNC Turning
CNC Milling
2 mm diameter
500 mm diameter x 1000 mm
1000 x 800 x 600 mm
Anodizing, Bead Blasting, Powder Coating, Polishing
Aluminum, Stainless Steel, Titanium, Plastics
3-7 days
±0.005 mm
4 x 4 x 4 mm
Anodizing, Bead Blasting, Powder Coating, Polishing
Aluminum, Stainless Steel, Titanium, Plastics
3-7 days
±0.005 mm
