CNC Sheet Metal Processing  Manufacturers, Traders, Suppliers

Of course our company offers a wider range of services. More detailed information will follow shortly. Services at a glance: * CNC bending * Mechanical manufacturing * Colouring * Welding * Material stock * CAD design

State-of-the-art machinery - this means highest process reliability, flexibility and quality. Come to us with your special request!

We can base it on a sketch or an idea from the customer. Create products that meet or even exceed expectations for customers. We specialize in producing various assembly parts, regardless of the difficulty level. As long as you have your needs, we can meet them and customize your exclusive products!

We have CNC processing machines, sheet metal processing machines, profile processing machines, assembly factories, turning processing machinery, injection mold design factories, CNC lathes, etc., with nearly 30-50 units of each machine. We also have dedicated technical consultants, and during the production process, whether you want to change the drawings or design the drawings, professional designers and design consultants will follow up and modify them.

Life, cleaning, industrial or direct sales, customized according to customer needs.

Wissner Machinery Ltd. is a medium-sized enterprise with its headquarters located in Göttingen, Germany. Since its foundation in 1986, Wissner has successfully developed, engineered, manufactured, and installed several generations of high precision CNC milling and laser-cutting machines. Years of experience and a highly innovative approach enables the company to offer a family of State of the Art machines.
Wissner is proud to be a leading manufacturer of dependable and reliable HSC High Speed Cutting and Laser machines. The company consistently delivers the highest quality of high precision milling machines– HSC Routers. Through the cutting edge, patented “hold & press” technology, their customers achieve significant savings in their production processes.
Wissner`s product portfolio includes machines, tools, and services used in various industry segments, such as machine building, aviation, advertising & lighting, furniture, toys and the dental industry. Understanding that each customer has specific needs, the Wissner team uses a modular approach for their machine designs. Through working closely with customers, they ensure individual requirements are achieved.

• CNC-cutter

* CNC-cutter
Material strength
sheet steel up to 4,0mm thick and 2,5m long
aluminum up to 4,0mm thick and 2,5m long
high grade steel up to 3,0mm thick and 2,5m long
copper or brass up to 2,0mm thick and 2,5m long    

Our customers and products:

• automotive industry - forming technology - manufacturers of rehabilitation aids - power plant technology - aviation industry - toolmaking / mechanical engineering - medical technology - furniture industry
• jewellery industry - steel construction - model making - rail vehicle industry - excavator and tracked vehicles - defence technology - conveyor technology - lighting industry

We manufacture customer-specific components according to drawings and agreements. Our production processes include lasering, edging and welding as well as all CNC machining techniques such as turning, milling and drilling.
In all areas of our modern stainless steel, steel and metal processing we combine know-how and professional competence with future-oriented technology.
We see ourselves as a service partner for our customers.

CNC Machining (Computer Numerical Control Machining) is a manufacturing process that uses pre-programmed computer software to control machine tools (e.g., mills, lathes, routers) to remove material from a workpiece, creating precise components with high accuracy and repeatability. This subtractive manufacturing method is widely used for producing custom parts with complex geometries, tight tolerances, and high surface finishes, suitable for both prototyping and low-to-medium volume production.
Key characteristics of CNC machining include:

• High Precision: Capable of achieving tolerances as tight as ±0.001mm (0.00004 inches) for precision components.
• Material Versatility: Works with a wide range of materials, including metals (aluminum, steel, titanium, copper) and non-metals (plastics, composites, wood).
• Design Flexibility: Can machine intricate shapes, deep cavities, threads, and fine details that are difficult to produce by hand or with manual tools.
• Automation: Reduces human error through computer-controlled operations, ensuring consistency across multiple parts.

1. CNC Machining Processes

• Milling:

• End Milling: Uses rotating multi-tooth cutters to machine flat surfaces, slots, and 3D contours (3-axis, 4-axis, or 5-axis machines for complex geometries).
• Face Milling: Removes material from flat surfaces to achieve smooth finishes.
• Plunge Milling: Creates deep cavities or holes by plunging the cutter vertically into the workpiece.

Turning/Lathe Machining:

• Rotates the workpiece while a stationary tool removes material to produce cylindrical parts (shafts, bushings, threads).
• Includes CNC lathes with live tooling for milling operations on rotational parts.

Drilling & Tapping:

• Drills holes and taps threads for fastener installation (automated via CNC programs for precise positioning).

Grinding:

• Uses abrasive wheels to achieve ultra-precise dimensions and mirror-like surface finishes (e.g., for aerospace components).

Electrical Discharge Machining (EDM):

• Non-traditional machining using electrical discharges to erode conductive materials, ideal for hard metals and intricate molds.

2. Materials

• Metals:

• Aluminum Alloys: Lightweight, corrosion-resistant, easy to machine (common in aerospace and automotive parts).
• Steel (Carbon/Stainless): High strength, used for structural components (e.g., gears, shafts).
• Titanium Alloys: Strong, heat-resistant, and lightweight (critical for aerospace and medical implants).
• Copper/Bronze: Excellent conductivity, used for electrical components.

Non-Metals:

• Plastics: ABS, PVC, PEEK, Acrylic – ideal for prototypes and low-weight parts (e.g., gears, housings).
• Composites: Carbon fiber, fiberglass – machined for high-strength, lightweight components (aerospace, sports equipment).
• Ceramics: Machined for high-temperature and wear-resistant applications (industrial tools, electronics).

3. Design Considerations

• Tolerances: Specify achievable tolerances based on material and machine type (e.g., ±0.05mm for general machining, ±0.001mm for precision EDM).
• Tool Accessibility: Avoid deep, narrow cavities or sharp internal corners that may require specialized tools.
• Surface Finish: Define Ra values (e.g., 1.6μm for milled surfaces, 0.2μm for ground surfaces) and select appropriate machining strategies.
• Material Grain Direction: Align part features with the material’s grain to maximize strength (critical for metal components).
• Tool Path Optimization: Minimize material waste and cycle time through efficient CNC programming (e.g., using CAM software like Mastercam, Fusion 360).

4. CNC Machine Types

• 3-Axis Machining Centers: Basic milling machines for 2D and simple 3D parts.
• 4-Axis/5-Axis Machining Centers: Add rotational axes (A, B, or C axes) for complex 3D contours and simultaneous multi-surface machining.
• CNC Lathes: Single-spindle or multi-spindle machines for rotational parts, with optional Y-axis for advanced turning/milling combinations.
• Swiss-Type Lathes: Specialized for small, high-precision parts (e.g., medical screws, watch components) with minimal material waste.

5. Quality Control

• Dimensional Inspection:

• CMM (Coordinate Measuring Machine) for complex geometries.
• Calipers, micrometers, and optical comparators for critical dimensions.

Surface Finish Testing: Profilometers to measure Ra/Rz values.Material Testing: Tensile, hardness, and metallographic tests to ensure material properties meet specifications.Process Validation: First-article inspection (FAI) and in-process checks to verify compliance with ISO 9001, AS9100 (aerospace), or IATF 16949 (automotive) standards.

1. Aerospace & Aviation

• Structural components: Wing brackets, engine mounts (titanium/aluminum alloys for strength and weight reduction).
• Turbine parts: Blisks (bladed disks) and compressor components (5-axis machining for intricate airfoil shapes).
• Avionics: Electronic enclosures and heat sinks (precise machining for tight fits and thermal management).

2. Medical Devices

• Implants: Hip/knee prosthetics, spinal screws (titanium/PEEK for biocompatibility, machined to strict tolerances).
• Surgical instruments: Forceps, scalpels, and endoscopic components (stainless steel for corrosion resistance and hygiene).
• Diagnostic equipment: Custom housings and precision parts for MRI/CT scanners.

3. Automotive Industry

• Engine components: Cylinder heads, transmission gears (steel/aluminum, machined for high tolerances and surface finish).
• Chassis parts: Suspension brackets, steering components (aluminum for lightweighting, steel for load-bearing structures).
• Prototyping: Low-volume production of custom parts for concept cars or racing applications.

4. Electronics & Semiconductors

• Heat sinks: Complex aluminum/copper fins for efficient thermal dissipation in servers and consumer electronics.
• PCB fixtures: Precision-machined brackets and enclosures for printed circuit boards (PC/ABS, aluminum).
• Semiconductor tools: Wafer carriers and masks (ultra-precise machining for nanometer-level tolerances).

5. Industrial Equipment

• Heavy machinery parts: Gearboxes, valves, and pump housings (cast iron/steel for durability).
• Tooling: Injection mold cores/cavities, extrusion dies (hardened steel machined via EDM for long life).
• Robotics: Joints, links, and end-effectors (aluminum/composites for high-speed, low-inertia motion).

6. Consumer Goods

• Electronics housings: High-end smartphone frames (anodized aluminum, machined for seamless finishes).
• Sporting goods: Golf club heads (titanium), bicycle components (carbon fiber/aluminum for strength and weight).
• Luxury products: Watch cases, jewelry components (tungsten, stainless steel, or precious metals).

7. Energy & Renewable Resources

• Oil & gas: Valves, connectors, and pipeline components (nickel alloys for corrosion resistance in harsh environments).
• Wind energy: Gearbox parts, turbine brackets (steel/magnesium, machined for large-scale structural integrity).
• Solar energy: Mounting brackets and precision components for solar tracking systems (aluminum for weather resistance).

>Precision CNC Machining: Tight tolerances and stable quality for complex, high-precision parts.
>Wide Range of Materials: Aluminum, steel, stainless steel, brass, copper, and engineering plastics.
>Surface Finishing Expertise: Anodizing, powder coating, spray painting, polishing, and custom finishes.
>Appearance-Critical Parts: Rich experience with parts requiring high surface quality and consistent aesthetics.
>Process Control & Responsibility: Careful attention at every step to avoid defects and ensure reliability.
>From Prototypes to Mass Production: Flexible production to support small batches and large-volume orders.
>Global Shipping: Fast delivery via DHL, FedEx, UPS, rail, or sea.

Plastic injection moulding for custom precision parts and assemblies.

• Workpiece Size: 5 mm parts (weighing only grams) to 8-meter components (weighing several tons)
• Dimensional Tolerance: up to 0.01 mm (standard up to 0.05 mm)
• Manufacturing Equipment: CNC milling, CNC turning, mill-turn centers, and more
• Production Volume: prototypes to high-volume series

Lighting | Home Appliances | Industrial Equipment | Medical & Healthcare | Packaging | Household & Lifestyle Products | Consumer Electronics | Automotive |

We provide high-precision and customized solutions for a wide range of industries. With the most advanced CNC machine tools and years of experience, we can manufacture complex aluminum, steel, stainless steel and plastic components as well as sand molds and die-castings according to the different needs of customers.

• High strength and low weight
• Tolerances of +/- 0.01 mm possible
• Various surface treatments such as anodizing or painting possible
• Used in the automotive industry, aerospace, electronics and medical technology
• Custom-made products according to customer requirements possible

• Automotive industry
• Aerospace
• Electronics
• Mechanical engineering
• Medical technology
• Energy technology
• Optics
• Toolmaking
• Research and development

1. Equipment Production Plant: 40,000m2
2. Research and Development: successfully manufactured thousands of roll-forming production Lines involving over 10,000 customized cross-sections of steel profiles in a wide variety of industries.
3. Independent design and manufacture: professional and rich experience in process optimization, control system programming, mold design and manufacturing, etc.
4. Integrated solution of roll-forming production line: different steel profiles can be produced in one roll-forming production line, and the traditional downstream processes can be integrated in one roll-forming process, e.g. punching, notching, clinching, deburring, welding and zinc painting on weld bead.
5. The performance of roll-forming equipment is stable and reliable, and it is our purpose to provide highly cost-effective solution for customers and realize the production of complex cross-section steel profiles with high precision.

1. Fabrication Production Plant: 100,000m2
2. Better products and services: professional and instant equipment maintenance, skilled operators, stable quality.
3. Greater value: competitive price, unlimited potential production capacity.
4. OEM Application Area: automobiles, electrical cabinets, stockbreeding machine, storage shelf, steel window&door, gate, fire partition, etc.
5. Up to now, there are 26 OEM&ODM production lines in operation.

Handsome Metal service Introduction
1. Quotation ：Fast Quotation Within 24 Hours base on clear 2D and 3D drawing
2. Drawing Formats：DWG, DXF, PDF, SOLIDWORKS, STP, STEP, IGS, etc.
3. Manufacturing Service: One-stop OEM Metal Parts base on CNC Machining, Laser Cutting, Bending, Welding, Drilling
4. Material we can process for you: Stainless Steel, Aluminum, Brass, Alloy
5. Finish Type: Nickel, Anodizing, Bead Blast, Black Oxide
6. Handsome Machine Condition: Haas CNC Lath, Gantry CNC Center, CMM, Cutting Bending and Welding Machie
7. Company Strength: Factory Directly, 15 Years Experience, 100+ Machining Equipment, 100+ skilled stuffs
8. Certificated：RoHS & SGS ，ISO9001:2015
9. Payment Terms：T/T. Paypal.
10. Delivery：Flexible production lead time 7-20 days up to volume and drawings.
11. Shipment Service DHL, FedEx, UPS or by Sea
Why Us?1. 200 Millions Registered Capital, 10000 Square Meters Plant and warehouse. 100+ equipment and machine, 100+ skilled technical staffs and quality control team, Brand Haas Machinery Strategic Partner
2. Since 1998, professional factory and manufacturer of various metal parts

Handsome owns a professional technical team and adopt advanced processes such as TIG welding and CO₂ gas shielded welding to carry out customized welding for various metal sheet metal parts (such as stainless steel, carbon steel, aluminum alloy, etc.). From drawing design to workpiece forming, the whole process is strictly controlled:

1. Various Machinery Industry: Agriculture, Medical, Food, Transportation, Communication, Power Equipment, Vending Machine, Scale,,New Energy, Robot
2. Construction Hardware, Garden Hardware, Kitchen Hardware, Building Hardware
3. OEM and ODM metal parts for Amazon, Shopify seller