High-Quality Precision Components Delivered On Time in China
Quick Prototype, Quality Assurance
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CNC Machining Services
Die Casting Services
Metal Stamping Services
Plastic Injection Fabrication
TOPS – Professional Precision Component Fabrication Factory in China
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Dongguan Tops Precision is a premier manufacturer specializing in CNC Machining, Die Casting, Metal Stamping and Plasctic Injection Molding.
TOPS makes custom parts and components for New energy, Automation Equipment, Machinery, Medical, Electronics and other fields. The company’s philosophy is to develop a partnership arrangement with customers, promoting open communication and a mutually beneficial business relationship.
As part of that philosophy, we remain attentive to our customer’s needs and constantly improve our systems with the latest state of the art equipment and facilities to meet the changing requirements of their industries.
Our ability to handle a wide range of materials and component parts allow you to meet a variety of needs with a single supplier. Production runs range from a single piece to thousands of pieces.
Customized Parts for Your Project
TOPS has full capabilities in customizing any metal or plastic parts through our fabrication services. We can manufacture according to your specific designs, shapes, sizes, surface finishes, thicknesses, and more. Our engineers can customize your orders through the following services and processes:
- Providing timely quotation on drawings and requirements.
- Selecting the appropriate process, material and surface treatment from TOPS capabilities.
- Going from sample to massive production.
- Providing cost saving solutions to customers.
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Recent Fabrication Parts

Swiss Turning Metal Part
Material: Stainless Steel
Part Size: 30mmx80mm
Process: Turning, CNC
Dimensional Tolerance: ±0.02mm
Industry:Machine Equipment

Stainless Steel Turning Part
Material: Stainless Steel
Part Size: 100mmx150mm
Process: Turning,CNC machining
Dimensional Tolerance: ±0.02mm
Industry:Automation

CNC Turned Aluminum Part
Material: Aluminium
Part Size: 50mmx80mm
Process: Turning
Dimensional Tolerance: ±0.02mm
Industry:Automation

Aluminum CNC Machining Part
Material: Aluminium
Part Size: 600mmx400mm
Process: CNC machining
Dimensional Tolerance: ±0.02mm
Industry:Machine Equipment

Aluminum Die Casting Part
Material: Alluminum Alloy
Dimensions: 105x110x177mm
Process: Die Casting, CNC, Deburring, Black Anodize
Dimensional tolerance: ±0.01mm

Zinc Die Casting Part
Material: Zinc Alloy
Dimensions: 60x30x130
Process: Die Casting, CNC, Deburring, Plating
Dimensional Tolerance: ±0.01mm

Aluminum Die Casting Cover
Material: Aluminum Alloy
Dimensions: 60x130x130
Process: Die Casting, CNC, Deburring, Passivation
Position: 0.07mm
Parallelism: 0.05mm
Flatness: 0.05mm
Dimensional Tolerance: ±0.01mm

Stainless Steel Sheet Metal Cap
These sheet metals are lightweight and suitable for low temperatures. It is used for the battery of new energy vehicles.

Stainless Steel Sheet Stamping Part
These metals are lightweight and suitable for low temperatures. It is used for the battery covers of new energy vehicles.
Customized Component Fabrication for Different Industries
TOPS can fabricate any precision parts for your applications, just send us your drawing and get our best quote.
New Energy
Automation
Machinery
Medical
Automotive
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Our fabrication covers a lot of benefits to many industries, businesses, or projects. Below are the advantages of our services.
ISO 9001 Certified
24 hours Customer Service
Great Flexibility
Price Favorable
Operation Fast
Available Surface Finishes
TOPS offers a wide range of custom surface finishes that gives additional protection, durability, and appearance to your products.
- Sandblasting
- Passivation/Chromate
- Polishing/Grinding
- Painting
- Powder Coating
- Anodizing
- E-plating
- PVD
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Material You Can Choose for Your Parts
TOPS uses a wide range of material selections for our fabrication process. Among our materials are aluminum, copper, stainless steel, brass, zinc, magnesium, bronze, and more. Each material is available in different grades and varieties. Rest assured that all the materials used for your parts are durable, corrosion-resistant, long-lasting, rust-proof, wear-resistant, and high-performance. If you want a specific material to be used in your fabrication process, don’t hesitate to contact us!
- Aluminum
- Zinc
- Copper
- Bronze
- Stainless Steel
- Brass
- Magnesium
- Plastic
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What Our Customer Say