Custom & OEM Solutions
From your drawing to mass production: custom aluminum battery enclosures, trays and profiles — extrusion, CNC machining and anodizing delivered by one integrated production network. Quotes within 48 hours.
How Custom Orders Work
A clear four-step path from first contact to delivered parts — typical timeline 30–50 days for a new custom enclosure.
Send Your Drawing
2D drawing, STEP file or a physical sample. Cross-section, length, holes, finish — tell us what you need. NDA available before you share anything.
Quote in 48h
Itemized quotation with die cost, unit price and lead time, plus DFM feedback if a detail can be produced more economically.
Sample & Test
First article in 7–15 days including new die. Dimension report on request; test fit on your pack before we run production.
Mass Production & Delivery
Extrusion, CNC machining and anodizing run in one production flow — 25–35 days typical. Export packing to your specification.
OEM Capability Matrix
What we can build for you — standard ranges; tighter specs by consultation.
| Materials | 6063-T5 / 6063-T6 / 6061-T6 / 6005A |
|---|---|
| Cross-section | 40–350 mm, solid or hollow profiles |
| Wall thickness | 0.8–6 mm |
| Length | Up to 6 m extrusion; cut to your specification |
| Machining | CNC milling, drilling, tapping, threading; custom mounting holes and positioning features |
| Surface finish | Mill finish / clear anodized / black anodized (10–15 μm typical) / sandblasting |
| Tolerances | ±0.3–0.5 mm extrusion per EN 755-9; tighter tolerances on machined features |
| MOQ & sampling | Negotiable for first orders; sampling 7–15 days incl. new die; die cost amortized over volume |
Customize Within Our Product Lines
Every line below can be produced to your drawing — these are the formats we build every day.
E-Rickshaw Battery Boxes
Full enclosures for 3-wheeler packs, IP-rated sealing.
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E-Scooter Battery Cases
Slim cases for 2-wheeler Li-ion packs.
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Extruded Profiles & Sections
OEM cross-sections, tight tolerances.
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Battery Trays & Covers
Trays and covers with sealing features.
View line →One Integrated Production Network
All stages handled in one flow — no outsourcing between steps, consistent quality, shorter lead times. Every stage is audit-welcome.
Request a Custom Quote
Send your requirements — drawing, dimensions, quantity and finish. Engineering reply within 24 hours, full quote within 48.
+86 133 0570 9557
Best for drawings, quick questions and factory-visit scheduling.
info@aymetals.com
Attach drawings (PDF / STEP / DWG). Reply within 24 hours.
AOYIN Holding Co., Ltd.
Quzhou, Zhejiang, China
Integrated production: extrusion + CNC + anodizing. Audit welcome anytime.





