Drawing-Based Custom Manufacturing
Profile work begins with customer drawings and project requirements.
Engineering-driven custom aluminum manufacturing
Custom Aluminum Extrusion Profiles
Custom aluminum extrusion manufacturing based on your drawings and specifications, supported by engineering review, CNC machining, surface finishing and assembly-ready part production.
Drawing-basedCustom manufacturing for project requirements
Engineering supportDFM and route review before tooling
Project supportPrototype to volume production support
01 / Quick capability snapshot
A practical route from drawing review to finished parts.
DFM & Engineering Review
Material, temper, tolerance, tooling and assembly-fit considerations are reviewed by project.
CNC, Finishing & Assembly
Connect extrusion with secondary processing, finishing, supporting sheet metal and assembly-ready delivery.
02 / What we manufacture
Product families built around custom aluminum extrusion.
REAL CUSTOM PROFILE IMAGE REQUIRED
Custom Aluminum Profiles
Solid, hollow, semi-hollow and complex sections based on project needs.
Explore product familyREAL HEAT-SINK IMAGE REQUIRED
Aluminum Heat Sinks
Thermal profiles with project-specific CNC and finishing requirements.
Explore product familyREAL LED-PROFILE IMAGE REQUIRED
Aluminum Enclosures & Housings
Extrusion connected with machining, finish and supporting parts.
Explore product familyREAL SOLAR / STRUCTURAL PROFILE IMAGE REQUIRED
Solar & Structural Profiles
Profile solutions for structural and renewable-energy applications.
Explore product family
Custom Machined Aluminum Extrusions
Custom profiles with cutting, milling, drilling, tapping and other secondary work.
Explore product family03 / One-stop manufacturing
One coordinated manufacturing route, planned around your part.
We turn custom aluminum extrusions into assembly-ready parts through CNC machining, finishing and integrated project support.
Drawing & Requirements
Material & Temper Review
DFM & Tooling
Extrusion
Post-Extrusion
CNC / Secondary Processing
Surface Finishing
Supporting Sheet Metal & Assembly
Quality & Delivery
REAL ENGINEERING IMAGE REQUIREDApproved CAD, drawing-review or tooling-engineering evidence is needed before production.
04 / Engineering & DFM
Review manufacturing risk before the route is fixed.
Engineering review connects profile geometry, material and temper, tolerances, tooling, CNC datums, finish surfaces and assembly interfaces.
- 20+ years manufacturing-industry experience at engineering-manager level
- Drawing review before tooling and production planning
- Project-specific manufacturability and cost-optimization review
- Assembly-fit and secondary-process planning
05 / Application solutions
Solutions organized around four engineering application clusters.
Industrial Automation & Equipment
- Typical parts
- Machine-frame profiles, guards, connectors and equipment housings.
- Typical materials
- 6061 / 6063 / 6082 + supporting 5052-H32.
- Relevant capabilities
- Custom extrusion, CNC and assembly.
Thermal Management & Electronics
- Typical parts
- Heat sinks, LED housings, electronics enclosures and thermal profiles.
- Typical materials
- 6063 / 6061 + supporting 5052-H32.
- Relevant capabilities
- Extrusion, CNC and surface finishing.
Renewable Energy & Power Equipment
- Typical parts
- Solar rails, support profiles, inverter housings and energy-storage structural parts.
- Typical materials
- 6005A / 6061 / 6063 + supporting 5052-H32.
- Relevant capabilities
- Structural profiles, CNC and finish review.
EV & Transportation Systems
- Typical parts
- Structural rails, enclosure profiles, machined components, brackets and covers.
- Typical materials
- 6061 / 6005A / 6082 + supporting 5052-H32.
- Relevant capabilities
- Extrusion, CNC, sheet metal and assembly review.
06 / Engineered aluminum alloys
Core extrusion alloys, selected through engineering review.
T5 / T6 · Precision & Appearance Profiles
View 6063T6 · Structural & CNC Machined Profiles
View 6061Long Structural Profiles · Temper subject to project review
View 6005AT6 · Higher-Strength Structures
View 60825052-H32 · Supporting Sheet Metal
For end plates, covers, brackets, trays, enclosure panels and mounting parts.
Final alloy and temper selection is subject to drawing, applicable standard, quantity, material availability and engineering review.
07 / Surface finishing
Finish decisions that support appearance, protection and assembly readiness.
Anodizing
For appearance and corrosion-protection requirements, subject to the project specification.
Powder Coating
For project-specific color, surface and outdoor-use requirements.
Sandblasting
For a prepared surface appearance where specified by the project.
Brushing
For controlled appearance requirements before final assembly.
08 / Engineering projects
HIDE BEFORE PRODUCTION
No approved anonymized case evidence is currently available. The cards below are staging placeholders, not published customer cases or claimed outcomes.
Staging placeholder
Structural / Solar Extrusion
Potential case format for approved structural profile evidence.
Staging placeholder
Lighting / Thermal Profile
Potential case format for approved thermal and lighting components.
Staging placeholder
Extrusion + CNC + Finish
Potential route story for an approved anonymized engineering project.
09 / Quality control
Inspection planning tied to the drawing and project requirements.
Inspection methods are selected according to drawing requirements and project inspection plans.
01 / Incoming / Material Review
Material and traceability review.
02 / Tooling & First Article
Tooling and first-article inspection.
03 / Dimensional Inspection
Dimensional inspection according to drawing requirements.
04 / Surface Inspection
Surface inspection according to project requirements.
05 / Assembly & Fit
Assembly and fit inspection where required.
06 / Final Inspection & Packing
Final inspection and protective / export packaging preparation.
Available inspection equipment includes CMM, vernier calipers, micrometers, height gauges, thread gauges, plug/pin gauges and coating thickness gauges, used according to drawing and inspection requirements.
10 / Send your drawing
Send Your Drawing for Engineering Review
Provide the details that help an engineering team evaluate a custom extrusion, machining, finish or assembly route.
Send Your Drawing- 2D drawing: PDF / DWG / DXF
- 3D model where applicable: STEP / STP / IGS / IGES
- Material / temper, critical tolerances and surface finish
- Sample or production quantity
- Application or assembly requirements
Contact fallback: Chloe, International Sales Representative
chloe@chengdacai.com · +86 13715195783 · WhatsApp +86 15119686849
11 / FAQ
Questions buyers and engineers commonly ask.
What files should I send for quotation?
Send 2D PDF, DWG or DXF drawings and, where applicable, 3D STEP, STP, IGS or IGES models with requirement details.
Can you review a profile before tooling?
Drawing review, DFM analysis and tooling review are part of the engineering process, subject to project requirements.
Which aluminum alloys do you commonly work with?
Core homepage alloys are 6063, 6061, 6005A and 6082. Final selection is subject to engineering review.
Can you provide CNC machining after extrusion?
Precision cutting, CNC milling, drilling, tapping, slotting, punching, deburring and project-specific secondary machining are supported.
Which surface finishes are available?
Anodizing, powder coating, sandblasting and brushing are core finishes. Final suitability depends on the project.
Can sheet metal parts be supplied with extrusions?
Supporting sheet-metal components can be considered where they are required to complete an assembly.
Can you support prototypes and volume production?
Prototype-to-volume-production support is available with a project-specific manufacturing plan.
How are tolerances evaluated?
Tolerances are evaluated according to the drawing, application, material, geometry and manufacturing route.
12 / About Chengdacai
A focused partner for engineered aluminum parts.
Shenzhen Chengdacai Technology Development Co., Ltd. focuses on custom aluminum extrusion profiles with engineering review, CNC machining, surface finishing, supporting sheet metal and assembly-ready part delivery.
About Chengdacai Talk to an Engineer