One-stop supply for all e-bike frame types. From Hailong to Integrated Downtube — we manufacture the housing that powers the world's best e-bikes.



All standard models ship in 3–5 days. Custom OEM moulds available from 100 pcs MOQ.

Universal downtube external mount. ABS+PC anti-shock shell, key lock, 36V–72V compatible. Most popular OEM model.
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Side-slide rear-insertion design for city & folding bikes. Aluminum alloy shell, tool-free swap, compact form factor.
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Cylindrical bottle cage mount design. Lightweight, weather-resistant, perfect for city commuters and urban e-bikes.
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High-capacity rear rack mount for cargo and delivery e-bikes. Supports 104-cell array, integrated controller option.
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Slim-profile case for downtube frame recess. 1.2mm aluminum, OEM geometry matching, key-lock, IP55 rated.
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Hidden in-frame design. Flush with frame surface, 18650 & 21700 compatible, custom length available per frame CAD.
Request Datasheet →Founded in 2015 in Guangzhou, China, Aili Vehicle Industry is a dedicated e-bike battery case manufacturer with nearly a decade of engineering expertise. We operate a 12,000 sqm facility integrating R&D, precision manufacturing, quality control, and global logistics under one roof.
Our factory runs 15 CNC machining centers and 10 Haitian injection moulding machines, delivering an annual output capacity of 2 million sets. With 15 registered patents and a team of 10 in-house R&D engineers, we provide rapid prototyping — first samples typically ready within days of approved design.
We serve OEM brands, battery pack assemblers, and e-bike startups across Europe, North America, and Australia — with full support for DDP, FOB, and EXW shipment terms. Small batches welcome.
We participate in major global e-bike exhibitions. Come visit us — or reach out to schedule a virtual product demo.
15 CNC machining centers · 10 Haitian injection moulding machines · 2 million sets annual output capacity.
We go beyond product supply — we work alongside your engineering team from frame analysis to mass production.
Share frame specs. We run a Frame-Matching Matrix to identify optimal housing type and cell count.
2D/3D internal space simulation to pre-check interference with your downtube geometry — delivered free.
With 10 R&D engineers on staff, rapid prototyping is standard. First sample within days of approved design.
100% dimensional check before shipment. OEM logo, custom colour, DDP/FOB/EXW shipping all available.
Every inquiry receives these free consulting assets:
Our team responds within 24 hours with a tailored product recommendation and pricing.