In today’s increasingly competitive global manufacturing environment, precision manufacturing has become one of the key factors driving innovation and development in various industries. As a leader in CNC machining, LS provides global customers with unparalleled service experience with its advanced CNC machining technology and comprehensive precision manufacturing solutions. Today, let’s visit LS’s official website and explore how it has become a trusted partner in many industries.
Your Trusted CNC Machining Partner: From Prototypes to Mass Production
Instant Quotes
LS is your partner of choice for efficient, precise part machining. We offer a wide range of manufacturing solutions, including CNC machining, 3D printing, sheet metal fabrication, injection molding, rapid prototyping, and more. Simply upload your drawings to get an instant, competitive quote tailored to your needs!
Rapid Prototyping
LS offers rapid prototyping and low-volume manufacturing services to support your product development and low-volume needs. Our comprehensive capabilities include CNC machining, 3D printing, sheet metal fabrication, and injection molding to provide you with high-precision parts and fast turnaround times.
High-Volume Production
LS specializes in high-volume production to meet your large-scale manufacturing needs. With advanced technology and automated processes, we provide cost-effective and scalable solutions from prototyping to mass production without compromising quality
Precision CNC Machining Services
Accurate, reliable, efficient! We specialize in providing our customers with exceptional precision CNC machining services. Whether it’s milling, turning, or 5-axis machining, our ISO 9001 certified production processes, combined with expert machining experience and advanced CNC machining tools, ensure that your online CNC parts are manufactured correctly and delivered on time every time. CNC machining is ideal for rapid prototyping and on-demand production.
Because it is a highly computerized and versatile manufacturing process, here are the CNC services we offer. Whether you need CNC prototype production or mass production, LS CNC Parts Online has a variety of options for you.1.CNC Milling
Experience top-quality CNC milling services from leading milling manufacturers. Our state-of-the-art facility ensures rapid prototyping and production of high-quality plastic and metal parts. With competitive pricing and global delivery in just 3 days

Material selection
Metal materials are one of the most common and widely used materials in CNC milling. They have high strength, corrosion resistance and good thermal conductivity, which can meet a variety of complex and precise processing needs. In addition, plastics are also a very popular choice for CNC machining because of its wide range of choices, relatively low prices, and significantly faster processing time. Common CNC milling materials include:
Material | Feature |
Aluminum | Offers excellent machinability, high strength-to-weight ratio, and superior corrosion resistance, making it perfect for lightweight, durable machined parts. |
Stainless steel | Stainless steel offers superior corrosion resistance, high strength, excellent toughness and ease of fabrication, ideal for demanding machining operations. |
Copper | Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded. |
Titanium | Titanium It’s a metal with excellent strength-to-weight ratio, low thermal expansion, high corrosion resistance; sterilizable and biocompatible for machining. |
Brass | Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance. |
Plastic | ABS, PMMA, PC, POM, PCGF30, PA, PC+ABS, PAGF30, PPGF30, PP, PTFE, PEI, PS, PPS, PE, PPSU, PET, PEEK, LDPE, G-10, HDPE, FR4, PVC, NYLON |
CNC Milling Tolerances
Leading CNC milling parts supplier—LS Technology can produce parts up to 50 inches in length, depending on the process. Please consult any larger milling parts. The tolerances listed here are the minimum tolerances under ideal conditions.
Types | Size Tolerance |
---|---|
Maximum Part Size | 1300mm × 800 mm × 300mm 51.2 in. × 31.5 in. × 11.8 in. |
Minimum Part Size | 1mm × 1mm 0.04 in. × 0.04 in. |
Linear Dimension | +/- 0.005 mm +/- 0.0002 in. |
Hole Diameters | +/- 0.005 mm +/- 0.0002 in. |
Shaft Diameters | +/- 0.005 mm +/- 0.0002 in. |
Lead Time | 3 Business Days |
CNC milling parts exhibition






2.CNC Turning
At LS, we offer state-of-the-art CNC turning services, a manufacturing process where a workpiece is rotated while a cutting tool forms it into the desired shape. Our advanced CNC lathes and skilled technicians enable us to produce complex turned parts with exceptional precision, tight tolerances and a superior surface finish. Whether you need a prototype or a high-volume production part, we have the expertise and technology to efficiently and reliably meet your specifications.
Material selection
The materials most suitable for CNC turning cover many categories such as metal, plastic, wood, glass, etc., but the specific selection needs to be comprehensively considered based on factors such as processing needs, material properties, and processing costs.
Metal
- Aluminum alloy:Lightweight and high strength, with good thermal conductivity and corrosion resistance, commonly used in aerospace, automobiles, electronic products and other fields. In CNC turning, aluminum alloy has excellent cutting performance and high processing efficiency.
- Stainless steel:It has excellent corrosion resistance and high temperature strength and is widely used in kitchenware, medical equipment, chemical containers, etc. Although the hardness is relatively high, stainless steel can also achieve efficient CNC turning by selecting appropriate tools and cutting parameters.
- Carbon steel:High strength and hardness, good wear resistance, often used in the manufacture of mechanical parts and tools. In CNC turning, carbon steel has stable processing performance and is suitable for manufacturing various precision parts.
- Titanium alloy:High strength and low density, excellent corrosion resistance and high temperature performance, commonly used in aerospace, medical and other fields.CNC turning of titanium alloys is difficult, but high-precision machining can also be achieved by selecting appropriate tools and process parameters.
Plastic
- ABS plastic:Readily available raw materials, good overall performance, cheap, widely used, tough and hard, suitable for CNC turning.
- Nylon (PA):Strong, wear-resistant, self-lubricating, with a wide operating temperature range. It is often used to replace copper and non-ferrous metals in the production of mechanical, chemical and electrical parts. Nylon materials are also suitable for CNC turning.
- Polyacetal resin (POM):High hardness, light weight, high rigidity, and high wear resistance. It is commonly used in the manufacturing of gears, bearings, auto parts, etc. POM materials are also suitable for CNC turning.
Wood
A natural material with certain strength and toughness, suitable for furniture, decoration and other fields. In CNC turning, the processing performance of wood is good, and various complex shapes can be processed.
Glass
Although glass is traditionally considered difficult to process, with the continuous development of CNC technology, glass CNC machining technology has been able to achieve high-precision and complex shape processing. Glass CNC machining is widely used in architectural decoration, furniture manufacturing, automobile industry and other fields.

CNC Turning Tolerances
As an ISO9001 certified company, our ability to meet strict tolerance requirements (up to +/- 0.005mm) for CNC turning parts is a key capability in precision manufacturing. This is crucial in industries such as aerospace, automotive, and medical equipment where accuracy and quality are crucial.
Abilities | CNC Turning |
Maximum Part Size | 300mm × 500mm 11.8in. × 19.7in. |
Minimum Part Size | 1mm × 1mm 0.04in. × 0.04in. |
Minimum Feature Size | +/- 0.3mm +/- 0.011in. |
Standard Tolerances | +/- 0.005mm +/- 0.0002in. |
Radii | Sharp inside corners on a CNC parts will be radiused (rounded) as a natural result of the precision CNC machining process. |
Linear Dimension | +/- 0.005mm +/- 0.0002in. |
Hole Diameters (Not Reamed) | +/- 0.005mm +/- 0.0002in. |
Shaft Diameters | +/- 0.005mm +/- 0.0002in. |
Edge Condition | *Sharp corner will be removed in the form of a chamfer or radius. The size of the chamfer, or resulting radii, must be indicated on the drawing. |
Threads and Tapped Holes | Diameter: Φ 1.5-5 mm, depth: 3×diameter Diameter: Φ 5 mm or more, depth: 4-6×diameter |
Laser Etching | use laser marking to create standard text for CNC turned parts |
Lead Time | 3 Business Days |
CNC Turning Parts Exhibition






3.5 Axis CNC Machining
Our 5-axis CNC milling services are designed to handle complexgeometries with extreme precision. With simultaneous 5-axis movement, we can produce intricate parts in fewer setups,achieving tight tolerances and exceptional surface finishes for bothprototype and large-scale production.

Material selection
We ofer a wide range of materials for 5-axis CNc machining to met the diverse neds ofvarious industies. 0ur selection incudes metals, plastitcs, and composites to ensurethat your parts are manutactured wth the best-sulted materlal or your applcaton. Below are some ot the materlals we commonly work with.
Material | Feature |
Aluminum | Offers excellent machinability, high strength-to-weight ratio, and superior corrosion resistance, making it perfect for lightweight, durable machined parts. |
Copper | Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded. |
Brass | Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance. |
Stainless Steel | Stainless steel offers superior corrosion resistance, high strength, excellent toughness and ease of fabrication, ideal for demanding machining operations. |
Titanium | Titanium It’s a metal with excellent strength-to-weight ratio, low thermal expansion, high corrosion resistance; sterilizable and biocompatible for machining. |
Plastics | Plastics are also very popular option for CNC machining because of its wide choices, relatively lower price, and significantly faster machining time needed. |
Surface Finishes for 5 Axis CNC Machining
Our surface finishing can help improve the appearance, surface roughness, hardness, corrosion resistance and provide additional protection, color and finish of 5-axis CNC parts.
Name | Description | Material | Color | Texture | Link | |
![]() | Anodizing | Anodizing is an electrochemical process used to enhance the corrosion resistance, appearance, and surface properties of metal parts, particularly aluminum. | Aluminum, Metals | Clear, black, grey, red, blue, gold | Rough, smooth, metallic | Learn More>> |
![]() | Powder Coating | Powder coating is a popular and environmentally friendly method of applying a protective and decorative finish to various types of metal and even some non-metal surfaces. | Metals | White, Black, RAL and Pantone | Glossy, fine, hardness | Learn More>> |
![]() | Polishing | The primary goal of polishing is to create a smooth and reflective surface by removing imperfections, scratches, and irregularities. | Metals | Silver gray | Bright, mirror, silk | Learn More>> |
![]() | Chromate | Chromate, commonly known as a chemical thin film, is a conversion coating used as a corrosion inhibitor on aluminum. | Aluminum | Clear/ Slight yellow tint | Satin | Learn More>> |
![]() | Bead blasting | Bead blasting, also known as abrasive blasting, is a surface preparation technique used to clean, finish, or texture a surface by forcibly propelling small, spherical abrasive materials, called “beads” or “media,” at high speeds onto the surface being treated. | Aluminum, copper, stainless steel, steel | N/A | Grainy, slightly matte texture | Learn More>> |
![]() | As machining | Machining is a subtractive manufacturing process in which a machine tool, typically a cutting tool, removes material from a workpiece to achieve the desired shape, dimensions, and surface finish. | Metals | N/A | Smooth, glossy finish | Learn More>> |
Gallery of 5 Axis Machining Parts



Where Precision Matters
Automotive
Whether you need custom parts or replacement parts for your vehicle, we can handle all your machining needs. From engine components to suspension parts, we have the expertise to manufacture parts that meet your exact specifications.
- Engine crankshafts
- Connecting rods
- Pistons
- Brakes
- Dashboards
- Wheels
- Suspension systems
Medical
When it comes to the production of medical equipment, our extensive production capacity also covers the following areas:
- Medical Imaging Equipment
- MRI Scanners
- CT Scanners
- Medical ENT Equipment
- Medical Electronic Devices
- UV Sanitation Components
- Dental Instruments
- Medical Delivery Systems
- Monitoring Instruments
- Electronic Medical Devices
Aerospace
We are proud to offer our customers a wide range of machining services for the aerospace industry. Our state-of-the-art facilities and experienced team enable us to manufacture high-quality parts with precision and accuracy. We strive to provide our customers with the best service and products, and we are committed to delivering parts on time, without compromising quality.
- Engine Components
- Landing Gear Parts
- Wing Flaps
- Propellers
- Control Surfaces
- Brackets
- Hydraulic System Components
- Fuel System Parts
- Exhaust Systems
- Electrical Connectors
- Flight Instruments
- Avionics Components
- Cabin Interior Parts
- Airframe Structural Components
- Bearings
Electronics
At LS, we provide high-quality manufacturing solutions for the electronics industry. With state-of-the-art technology and an experienced team, we are able to provide precision parts and assemblies that meet the stringent requirements of the electronics industry. From prototyping to mass production, we are committed to supporting your electronics projects with efficiency and excellence.
Robotics
At LS, we provide high-quality manufacturing solutions for the robotics and automation industries. With state-of-the-art technology and an experienced team, we are able to provide precision parts and assemblies that meet the stringent requirements of robotic applications. From prototyping to serial production, we are committed to supporting your projects with efficiency and excellence.
Success Stories
In the current fierce competition in the manufacturing industry, LS has always focused on providing high-quality CNC machining solutions to customers around the world. We have a wide range of machine tools and cutting tools, and we continue to innovate to meet customers’ needs for high quality, high efficiency and higher levels of automation. The following is an overview of the cases we have done to help customers meet various challenges and achieve success:
Case 1: Highly precise manufacturing of aerospace components
- The challenge is that a leading manufacturer in the aerospace field must have highly precise and complex components to meet strict industry requirements.
- To solve this problem, we use advanced multi-axis CNC machining centers and strict quality control processes to produce parts that meet strict tolerances and surface finish requirements.
- In terms of results, customers have successfully integrated various components into their own aerospace systems, thereby not only improving system performance but also ensuring system safety.
Case 2: High-volume production in the automotive industry
- The challenge of mass production in the automotive industry is that automakers must mass-produce high-quality engine components while ensuring cost-effectiveness.
- To solve this problem, we adopted an efficient CNC machining process, which not only shortened the production cycle but also greatly reduced material waste.
- In terms of results, customers not only achieved significant cost benefits, but also ensured the high quality and stability of engine components.
Case 3: Handling Complex Geometries of Medical DevicesThe challenge
- Companies that manufacture medical devices must handle implants with complex geometries to ensure they have optimal biocompatibility and functionality.
- To solve this problem, We used cutting-edge CAD/CAM software and five-axis CNC machining methods to manufacture high-precision implants that meet stringent medical requirements.
- In terms of results, Our clients successfully brought innovative medical devices to market, thereby improving patient outcomes.
Case 4: Precision machining of micro parts in the electronics industry
- The challenge of high-precision manufacturing of micro components in the electronics industry is that electronic companies must have micro and high-precision connectors to meet the growing needs of the electronics industry.
- To solve this problem, we adopted advanced micro-machining methods and dedicated CNC machine tools to manufacture connectors with strict tolerances and excellent electrical characteristics.
- In terms of results, Customers have successfully integrated micro connectors into their electronic devices, thereby improving the performance and reliability of the equipment.
Why Choose Us?
With over 15 years of manufacturing experience, we handle cnc parts with tolerance of up to 0.005mm, same day quotation, and 72 hours delivery. We have produced over 80,000 different parts of different quantity. Our aim is to provide top quality and high efficiency metal parts machining services for prototyping as well as mass production customers.LS has been in a leading position in similar industries in CNC machining, injection molding, sheet metal Fabrication, metal stamping, rapid prototyping, 3D printing and other services.Turn your ideas into reality with our excellent on-demand manufacturing services to produce simple and complex prototypes and final parts, all of our products meeting strict tolerances and quality requirements.
Production equipment
Our manufacturing factory is equipped with advanced production lines that can handle a variety of materials, including metals, plastics, and composites. We utilize computer-aided design (CAD) and computer-aided manufacturing (CAM) software to program our machines, ensuring high precision and accuracy in every product we create.
International Accreditation
At our manufacture factory, quality is paramount. We are proud to hold various industry certifications, including ISO 9001:2015, which ensures our processes and products meet international quality standards. We also follow strict quality control measures throughout the production process to ensure the final product is of the highest quality.
24/7 Engineering Support
LS provides you with an experienced team of service engineers to solve all your manufacturing problems. Not only can we help you optimize your design and reduce costs, but our senior engineers also provide professional guidance and beneficial DFM feedback, and achieve higher quality and more consistent quality control through standardized practices to ensure that your project achieves the best results.
In LS, as long as you dare to think, our team dares to do it. In the past five years, LS has never stopped making progress and has always strived to provide customers with the best services. When you choose LS, your custom parts are half done, and we know your time is valuable and we know you really want efficient delivery. We simplify the innovation cycle into four simple but effective steps. In just 3 days, you can get flawless parts! Take advantage of this anniversary event and start your processing projects now!
Conclusion
LS’s official website is an important window for the company to showcase its precision manufacturing solutions to the global industry. Here, every visitor can deeply feel LS’s persistent pursuit of technological innovation, unremitting insistence on quality excellence, and deep concern for customer needs. In the future, LS will continue to uphold the concept of “precision manufacturing, driving the future”, and work with global partners to jointly create a more brilliant new chapter in the manufacturing industry.

Contact us now to get exclusive CNC machining solutions!
📞 Phone: +86 185 6675 9667
📧 Email: info@longshengmfg.com
🌐 Website: https://www.longshengmfg.com/
Disclaimer
The content appearing on this webpage is for informational purposes only. LS makes no representation or warranty of any kind, be it expressed or implied, as to the accuracy, completeness, or validity of the information. Any performance parameters, geometric tolerances, specific design features, quality and types of materials, or processes should not be inferred to represent what will be delivered by third-party suppliers or manufacturers through LS’s network. Buyers seeking quotes for parts are responsible for defining the specific requirements for those parts. Please contact to our for more information.
Team LS
This article was written by various LS contributors. LS is a leading resource on manufacturing with CNC machining, sheet metal fabrication, 3D printing, injection molding,metal stamping and more.
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