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Your Leading Premium Metal Enclosures and Cabinets Supplier

 

Established in 2007, Qingdao Chenyang Machinery MFG Co., Ltd. Manufacturing operates a 45,000 m² main facility and a 12,000 m² branch plant in Qingdao. Our sheet metal fabrication parts are diverse and comprehensive, including laser cutting service for inductial parts, cnc bending and forming, metal stamping for bending solutions, premium metal enclosures and cabinets, and more. We offer customized packaging solutions and support ocean, rail, and air transportation to meet different delivery requirements and ensure safe international shipment.

 
 
why choose us
 
 
 

Advanced Equipment

We are equipped with automated powder coating and painting lines, along with dedicated assembly workshops. This enables consistent quality, efficient production flow, and reduced lead times.

 
 

Professional Team

Our team includes over 200 employees, supported by 45 management professionals and 27 senior and mid-level engineers. This structure ensures effective project coordination and strong technical support.

 
 

One-stop Solution

From design support and manufacturing to surface treatment, assembly, packaging, and international shipping, we help customers simplify their supply chain and reduce sourcing risks.

 
 

Broad Market

We supply custom metal components to customers in the United States, Europe, Australia, Japan, and other global markets. Our experience with international standards and export logistics supports reliable long-term cooperation.

 

 

Types of Premium Metal Enclosures and Cabinets

 
 
01
 

Powder Coated Network Cabinet Enclosures

The network cabinet enclosure is manufactured through precision sheet metal processing. The process begins with laser cutting of cold-rolled steel or aluminum alloy sheets, ensuring dimensional accuracy. CNC punching creates ventilation holes and component mounting points.

 
02
 

Cold Plate Cabinet Enclosures

This enclosure is constructed from high-quality cold-rolled steel, formed through laser precision cutting and CNC bending to ensure structural strength and dimensional accuracy. The surface undergoes phosphating pretreatment and electrostatic spraying for corrosion resistance and cleanroom compatibility.

 
03
 

Aluminum Bending Water Purifier Housing

Crafted from high-grade aluminum alloy, the water purifier housing serves as a robust protective shell for filtration systems. Its exceptional corrosion resistance ensures purity while withstanding mineral-rich water environments.

Powder Coated Network Cabinet Enclosures

 

 

Parameter of Premium Metal Enclosures and Cabinets

 

 

Quotation

According to your drawing (size, material, thickness, processing content, and required technology, etc)

Material

Stainless Steel

Processing

Laser Cutting, Bending, Welding, Polishing, Painting

Surface Treatment

Painting

Tolerance

ISO2768MK

Logo

Accept Customization

Size

Accept custom size.

Color

As buyers' Reqest

Drawing format

DWG, DXF, STEP, IGS, 3DS, STL, SKP, AI, PDF, JPG, Draft.

Sample lead time

No surface treatment, 3-5 workdays.

Require surface treatment, 5-10 workdays.

Pricing Term

EXW, FOB, CIF, etc

Payment term

Sample: 100% payment before production

Mass production: (30% in advance as deposit, balance before delivery)

Customization

Available

 

Surface Treatment of Premium Metal Enclosures and Cabinets
 

Powder Coating

Powder coating is achieved through the use of a spray gun which charges the powder as they leave the spray nozzle. Since the workpiece has to be able to hold electrostatic charges required to adhere the powder, the most common materials to powder coat are metals such as different types of steel. The opposite charges between the powder and the grounded workpiece ensures even adhesion. The coated workpiece is then heated in the oven for the powder to cure, strengthening the bonding within the coating. Should thicker coatings be needed, this process can be repeated further. A major advantage of a coating is the physical barrier it acts between the inner workpiece and corrosive substances. Another plus is the wide range of colours available for coating, unlike plating which is restricted to the natural colour of the plating metal.

Sandblasting

This mechanical process uses loose abrasive materials such as sand and coconut shells which are propelled at high speeds towards the part driven by compressed air. It is commonly employed to remove contaminants from surfaces, or smoothen a rough surface. Due to the nature of the abrasive media, its effect is similar to that of sandpaper, albeit covering larger surface areas and requiring much less human effort. It is also able to target multiple surfaces at once, unlike conventional sanding machines that can only work on external surfaces, one at a time. Hence, the cost-effectiveness, speed and efficiency of this process makes it a popular method for cleaning parts.

 

Service Industries for Sheet Metal Fabrication Parts

 

 

Sheet metal fabrication for industrial and manufacturing applications
Sheet metal fabrication is commonly used for applications such as CNC machining enclosures, guards and control panels. It is an ideal solution for product which is going into a high-traffic, heavy-use environment.

 

Sheet metal fabrication for transport
You'll find fabricated sheet metal components in chassis and vehicle bodies, but also in areas such as interior panels and handrails on buses and coaches. Sheet metal fabrication is also widely used for vehicle conversions, e.g. WAVs (wheelchair accessible vehicles).
Commercial vehicles, such as refuse collection vehicles, also use sheet metal for their canopies.
Use of sheet metal fabrication for these applications allows for precise, repeatable production that is quality assured.

 

Sheet metal fabrication for clean tech
Sheet metal fabrication is used for enclosures for battery energy storage systems and air source heat pumps, as well as within solar infrastructure and wind turbine components. The availability of corrosion-resistant metals make it an ideal choice for products which will often be placed in an external environment, such as large-scale installations.

 

Sheet metal fabrication for defence
Sheet metal fabrication is widely used for elements in the Defence sector. Metals including aluminium, iron and steel are listed as 'Strategic Raw Materials for Defence' for Europe by the Hague Centre for Strategic Studies.
Thanks to its strength and integrity sheet metal is used in many mission-critical fabrications. Components can be found in applications such as armoured enclosures and land systems vehicle components, HVAC (Heating, ventilation and air conditioning) units, weapons handling systems and weapons mountings.

 

Manufacturing Process
 

Design & Engineering Review
We start with a technical review based on customer drawings or samples. Our engineering team checks manufacturability, tolerances, materials, and application requirements to reduce production risks before manufacturing begins.

 

Laser Cutting
High-precision laser cutting is used to ensure clean edges and accurate dimensions. This process supports various metals and thickness ranges, providing consistent results for both prototypes and production runs.

 

Bending & Forming
CNC bending is applied to achieve accurate angles and stable part geometry. Process control ensures repeatability across batches and reduces dimensional variation.

 

Welding & Assembly Preparation
Welding and riveting are performed according to product requirements using controlled procedures. Fixtures and jigs are used where necessary to maintain structural strength and consistency.

 

Surface Treatment
Surface finishing options include powder coating, painting, and other treatments to meet functional and appearance requirements. Coating processes are monitored to ensure durability and uniformity.

 

Final Assembly & Inspection
Final assembly is completed in dedicated workshops, followed by inspection based on approved quality standards. Parts are checked before packaging to ensure they meet customer specifications.

 

Powder Coated Network Cabinet Enclosures best

 

After-Sale Service

We coordinate closely with logistics partners to ensure safe and punctual delivery of your orders.
Our goal is to provide corrective action plan within 24-48 hours of notification.
We provide long-term support for spare parts to minimize downtime for your equipment.
Regular post-project reviews are conducted to strengthen our partnership for future collaborations.

 

Certifications

 

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Logistics & Packaging

 

 

Packaging:

Protective film, professional export wooden crates or pallets

Shipping:

By logistics; by automobile; by train; by shipping; by air.

 

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FAQ

 

 

Q: What are your payment terms?

A: We accept wire transfer/TT. For sample orders, full payment is required. For production orders, we typically require a 30% deposit, with the balance due before shipment.

Q: What materials can you work with?

A: We routinely work with cold-rolled steel, stainless steel, aluminum, and copper. If you have a special material requirement (e.g., galvanized steel, weathering steel), please contact us, and we can likely provide a solution.

Q: What is the maximum/minimum part size you can handle?

A: Our laser cutters can handle sheets up to13m * 7m. For bending, we can process parts up to 2.5 m in length.

Q: What is typically included in a quotation?

A: Our quotes typically include material costs, processing costs, tooling charges (if applicable), surface finishing, and standard packaging. Shipping and specific taxes will be listed separately.

Q: What is your standard production lead time?

A: For standard orders, the lead time is typically 20-25 business days. The exact time depends on order quantity, process complexity, and our current production schedule. We will provide a confirmed lead time upon order confirmation.

We are one of the most reliable premium metal enclosures and cabinets manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy bulk premium metal enclosures and cabinets for sale here and get quotation from our factory. Good service and low price are available.

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