Adapter or indoor driver
Best for indoor signs, shelves, cabinet lighting, and short LED strip runs.
- Confirm DC 12V / 24V / 36V / 48V
- Add 20-30% power margin
- Ask for plug type and label artwork
Adapters 5-200W, indoor 50-400W, IP67 10-400W, IP65 100-600W. Factory price. CE / RoHS on all. UL on request.

CHUGAO factory, Guzhen, Zhongshan
Zhongshan Chugao Electronic Technology Co., Ltd. We make LED switching power supplies in a 6,000m2 factory in Guzhen, Zhongshan. 38 people on the floor, 8 in sales.
Four product lines: adapters, indoor drivers, IP67 waterproof, IP65 rainproof. Sold to 42 countries. Most orders go to lighting distributors and sign makers in the EU, US, and Middle East.
Every unit runs 48 hours of burn-in before it ships. Bad units do not leave the building. We do OEM and ODM.
6,000m2, Guzhen, Zhongshan
48h burn-in on every unit
Stock: 3-7 days. OEM: 25-30 days.
8 people, 6 languages, 1-hour reply

Four lines. Same factory. Same QC.

5W-200W. AC 100-240V in, DC 12/24/36/48V out. For LED strips and modules. Wall-mount and desktop.

50W-400W. Built-in PFC. Fan-less. For ceiling lights and panel lights.

10W-400W. Sealed silicone potting. Salt-spray tested. For outdoor strips, fountains, marine.

100W-600W. Metal case, mesh vents. For signage, billboard, semi-outdoor.
Numbers, not adjectives.
| Line | Power | Input | Output | IP | Efficiency | Warranty |
|---|---|---|---|---|---|---|
| Adapters | 5W - 200W | AC 100-240V | DC 12V / 24V / 36V / 48V | IP20 | ≥85% | 3 Years |
| Indoor | 50W - 400W | AC 100-240V | DC 12V / 24V / 36V / 48V | IP20 | ≥88% | 3 Years |
| IP67 | 10W - 400W | AC 100-240V | DC 12V / 24V | IP67 / IP68 | ≥86% | 3 Years |
| IP65 | 100W - 600W | AC 100-240V / 180-264V | DC 12V / 24V / 36V / 48V | IP65 | ≥87% | 3 Years |
For a precise quote, start from the application, then confirm voltage, wattage, IP rating, quantity, and destination market.
Best for indoor signs, shelves, cabinet lighting, and short LED strip runs.
Best for exposed strips, fountains, facade lighting, and wet installation areas.
Best for semi-outdoor signage cabinets where airflow and higher wattage matter.
Best when you need your logo, fixed SKU list, market files, or packaging control.
Buyers should not have to guess. Tell us the model and target market, and we send the matching files before you confirm the order.
Certificate and report files are matched by model and application, not sent as generic screenshots.
Every unit is tested before shipment. Failed units do not leave the factory floor.
We confirm input, output, protection, case size, label text, and plug or cable details.
Commercial invoice, packing list, certificate of origin, and cartons or pallets are confirmed before loading.
UL is handled per model. Send your market and quantity first; we confirm cost and schedule before application.
Plain reasons. No marketing speak.
No middleman. Send your quantity, we send a price in 1 hour.
UL is per model and takes 4-6 weeks. We start the application once you confirm the order.
8 engineers. We have built custom drivers for clients in Germany, Brazil, and Saudi. Min 500 pcs for custom tooling.
Most items in stock. We ship the same week you pay. OEM takes 25-30 days.
Every unit made in our Zhongshan factory. We know who built it.
English, Spanish, French, Russian, Arabic, Chinese. We reply within 1 hour during China business hours (GMT+8).
What we see on the line and in the field.

Wattage. IP rating. Input voltage. That is the short list.

What the numbers mean and where each one breaks down.

Notes from the factory floor, not analyst reports.
Where we ship, and what to expect.
Two port options. We pack in export cartons, 20-25 kg per carton. Pallets on request.
Most adapter and indoor SKUs are in stock. We confirm availability the same day you ask.
EU, US, Middle East, SE Asia, South America. We do not ship to a few regions. Ask if unsure.
Commercial invoice, packing list, certificate of origin, CE/RoHS test reports. Originals ship with the goods.
Real answers from the sales desk.
50 pieces per model for stock items. 500 pieces for custom OEM. We do not do 1-piece orders.
CE and RoHS on every model. UL is per model and costs extra. We send you the certificate PDFs before you order.
3 years on stock items. OEM warranty is in the contract. Warranty does not cover lightning, water damage, or wrong wiring.
Yes. Min 500 pcs. Send us your spec sheet. We charge for tooling on first order, free on repeat orders over 2,000 pcs.
New customers: 30% T/T deposit, 70% before shipment. After 3 orders we can talk about L/C. We do not accept credit card for bulk orders.
Stock: 3-7 days. OEM: 25-30 days. Sample: 5 days, charged + shipping, refunded on bulk order.
Send specs, quantity, destination port. We reply in 1 hour.
6 fields. We reply in 1 hour during GMT+8 business hours.
Copy this into the message field for a faster answer:
Mon-Sat 8:00-18:00 (GMT+8). Outside hours: leave a message, we reply next morning.