From Rapid Prototype to Scalable Production
Custom Sheet Metal Fabrication Services in China
Supro MFG is a China-based manufacturer of custom sheet metal parts, supporting prototypes, low-volume production and mass production.
All information is safe and confidential
Prototype to Production
Quickly create high quality sheet Metal Prototype fabrication with 1-7 days on time delivery.
DFM & Engineering Review
Provide a full range of manufacturability(DFM) solutions according to design or samples.
Factory-Direct Quotation
We provide cost-effective manufacturer quotes to help you gain more product competitiveness.
Custom Sheet Metal Fabrication Manufacturer
Supro MFG is a China-based custom sheet metal fabrication manufacturer supporting prototypes, low-volume production and repeat production for global buyers.
Our team coordinates laser cutting, CNC punching, sheet metal bending, sheet metal stamping, metal welding and surface finishing around one approved drawing package.
Material, tolerances, finish, inspection requirements and production volume are reviewed before quotation. Our manufacturing system is supported by ISO 9001:2015 and IATF 16949:2016 certification.
Custom Sheet Metal Parts We Manufacture
Supro MFG will choose the right materials, accessories, manufacturing process, etc. according to your needs and application. At the beginning of custom sheet metal fabrication projects, all fabrication details will get your permission. Helping you to complete your project with the easiest and most efficient way.
Custom Metal Enclosures
Custom Metal Shelves and Frames
Custom Sheet Metal Cabinets
Custom Metal Brackets
Industries We Support
We manufacture custom sheet metal parts for OEM and equipment projects across electronics, telecommunications, automotive, medical and industrial applications. Materials, tolerances, inspection requirements and documentation are reviewed according to each project.
Materials selected for project requirements
Sheet Metal Materials and Finishes
Material grade, thickness and finish are reviewed against the drawing, process, application and order quantity before quotation.
1060
6061-T6 / T5
6063
5052-O
5083
5754
7075
2A12
201
303
304
316
316L
420
430
440
H62
H65
H68
H90
C10100
C11000
C12000
C51100
Q235 - F
Q255
16Mn
12CrMo
# 45
20 G
10 GA
Corrugated Steel Sheets
Fluorocarbon color steel
Embossed panels
Galvanized steel sheet
Thickness reviewed by process
1220mm * 2440mm
Custom roll & Strips
Thickness reviewed by process
1220mm * 2440mm
Custom roll & Strips
Thickness reviewed by process
1200mm * 4000mm
Custom roll & Strips
Thickness reviewed by process
1500mm * 6000mm
Custom roll & Strips
Sheet Metal Fabrication Capabilities
Supro MFG coordinates cutting, punching, bending, welding, forming, assembly and finishing around one drawing package.
Precision sheet metal bending & forming services
Advanced multi-axis press brakes ensuring precision angles and consistent springback compensation for complex geometries.
Precision laser cutting services
Utilizing high-wattage fiber lasers for clean edges on stainless, aluminum, and carbon steel with minimal heat-affected zones.
metal welding fabrication services
Certified TIG, MIG, and Spot welding to maintain structural integrity and aesthetic finish on every seam.
CNC punching fabrication services
CNC punching is the most cost-effective solution for high-volume metal fabrication featuring complex hole patterns, louvers, or embossments. At Supro MFG, we utilize advanced turret punch presses to deliver rapid, repeatable results with tight tolerances.
Deep Drawing and Metal Spinning
Deep drawing and metal spinning support formed sheet metal components with deeper profiles, rotational geometry and controlled wall thickness. Process selection depends on part geometry, material, tooling and production volume. Review our deep drawing, metal spinning and sheet metal stamping capabilities.
Engineering & Quality Support
Our engineering and quality teams review manufacturability, process risks, inspection requirements and production readiness before release. Documentation is matched to the drawing, order stage and customer requirements.
DFM & Engineering Review
Quality Planning & Inspection
Prototype Support
Low-Volume Production
Repeat Production
Drawing-Based Quotation
Sheet Metal Surface Finishing Options
Surface finishing can be included in the same quotation when appearance, corrosion resistance, conductivity or wear requirements are defined.
- Mirror polishing
- Wire drawing
- Galvanizing
- Anodizing
- Black oxide coating
- Chrome plating
- Electroplating
- Powder coating
- Sandblasting
- Laser engraving
- Printing
How Our Sheet Metal Fabrication Process Works
Each project follows a clear manufacturing path based on the drawing, material, thickness, tolerances, finish and production volume. Our team reviews manufacturability before production and selects the appropriate cutting, forming, joining and finishing processes.
Use the steps alongside this overview to review the process and open the relevant capability pages.
We review your drawings, material, thickness, bend radii, tolerances, finish and expected volume before production. Where needed, our engineers provide manufacturability feedback so the process and inspection requirements are clear before tooling or cutting begins.
Flat blanks and features are produced using the process best suited to the geometry and production volume. Learn more about our laser cutting services and CNC sheet metal punching services.
Parts are formed to the required angles and geometry using controlled bending and forming operations. See our sheet metal bending services and deep drawing capabilities.
Where the design requires joined components, we plan the weld sequence and assembly method around strength, distortion control and appearance. Review our metal welding services.
Finishing is selected according to the material, corrosion resistance, appearance and end-use requirements. Available options include powder coating, anodizing, plating, polishing and other surface treatment services.
Completed parts are checked against the approved drawing and agreed inspection requirements before packing and delivery. Inspection scope and supporting documents should be confirmed during quotation.
Sheet Metal Fabrication FAQ
Supro MFG is a China-based custom metal parts manufacturer, not a trading company. We specialize in custom sheet metal parts, prototypes and related metal fabrication processes under an ISO 9001:2015-certified quality system. Surface treatment, heat treatment and standard purchased components may be coordinated with qualified supporting suppliers when required by the project. Learn more about our factory.
Yes. We operate our own sheet metal fabrication, welding, laser-cutting and precision CNC machining workshops, covering more than 3,000 square meters. The original operating team includes 12 technical engineers, 36 skilled workers, six quality engineers and an English-speaking project-support team.
Yes. NDA requirements can be confirmed before detailed technical review. Customer drawings, specifications and patented technology are treated as confidential, and access is limited to authorized personnel involved in engineering, production, quality and project communication. Contact our project team before sending sensitive files if you require an NDA first.
Yes. Our engineering team can help develop manufacturable design files from your concept, reference sample or functional requirements. Supported formats may include STL, STEP, IGES, PDF and CAD. DFM feedback can be provided to improve manufacturability, control cost and prepare the design for prototyping. You can send your concept or requirements for an initial review.
Quality control begins with drawing and material review and continues through receiving inspection, First Article Inspection (FAI), In-Process Quality Control (IPQC), dimensional verification, surface-finish inspection, packaging inspection and final release. Inspection reports, photographs and third-party inspection support can be provided according to the agreed project scope.
Common payment methods include T/T, PayPal, Western Union and L/C. The applicable payment schedule and channel are confirmed during quotation and order review.
Yes. PPAP Level 3 documentation can be provided when it is included in the agreed quotation and quality-documentation scope. Tell us your PPAP requirements during RFQ review so the document package can be quoted correctly.
Our quotation is based on the specified material, manufacturing route, labor, tooling, surface finish, inspection scope and required documentation. We prioritize traceable materials, controlled production and verified quality rather than reducing price through unapproved substitutions or omitted inspection. The objective is a competitive total manufacturing cost with lower quality and delivery risk.
We do not set a general minimum order quantity. Suitable custom sheet metal projects may begin with a small number of prototypes or validation parts and later transition to low-volume or repeat production. Feasibility and pricing still depend on tooling, material, setup and process requirements.
Before production, we review material availability, tooling, process sequence, inspection scope and required finishing, then establish a project-specific production plan. Progress is monitored against key milestones, and capacity or scheduling risks are escalated when identified. Delivery commitments remain subject to approved requirements and force-majeure events.
Start Your Sheet Metal Project
Request a Sheet Metal Fabrication Quote
Share your drawings, material, quantity, finish and tolerance requirements. Our team will review manufacturability before quotation.