"MOQ 500" is the number that shows up in every first email. It is also the number that is most often misunderstood, because it applies to one specific thing and not to the thing most buyers think they are buying.
MOQ applies to a standard model, in one colour
Standard MOQ means 500 pieces of an existing model in a single colour. It does not mean 500 pieces split across four colours, and it does not mean 500 pieces of a product that does not exist yet.
If you want three colours, you are looking at three production runs unless your supplier is willing to pool them, and you should ask explicitly rather than assume. The reason is that colour is set at the glass or plastic stage, and the line has to be cleaned and re-set between colours.
Custom tooling is a different number entirely
Anything that needs a new mould — a new panel shape, a new frame profile, a new enclosure — is a tooling programme, and tooling runs in the low thousands of pieces rather than the high hundreds. Typical figures are 3,000 to 5,000 pieces as the commitment for a full custom development.
The timeline reflects that: sampling for an existing platform is 7–15 days, while new tooling is 25–40 days before you see a first article. If someone quotes you tooling in two weeks, they are quoting an existing tool with cosmetic changes, which is fine — just make sure you know which you are getting.
The specifications you have to decide up front
These are the decisions that actually gate the quote, and which buyers often leave to later:
Panel and box standard. 86×86 mm for most of Europe and Asia, 118 type for North America, 147×86 for parts of the Middle East and South Asia, and 86×86 again for the UK but with BS 1363 pin requirements on sockets. This is not a cosmetic decision; it determines the entire mechanical design.
Neutral or no-neutral. A no-neutral switch has to pass a small leakage current through the load, which is why it needs a capacitor with LED lighting and why it has a minimum load. A neutral-required switch is electrically simpler but needs a neutral in the box. If you do not specify, you get whatever the default platform is, and it may not match your market's wiring.
Protocol. Wi-Fi, Tuya ZigBee, or both. ZigBee needs a hub; Wi-Fi does not. Some markets strongly prefer one.
Electrical ratings. Voltage range, per-gang load, and whether the range includes fan speed controllers, curtain motors, or dimmers, because those are different designs with different approvals.
Branding and packaging. Logo on the glass or the frame, printed manual language, retail box artwork, and any barcode or certification marks you need printed.
Where the cost actually goes
On a glass touch panel the bill of materials is dominated by the glass panel and its finish, the frame, and the relay and power supply — not by the wireless chip. That is why a change from flat glass to 2.5D curved glass, or from a plastic frame to a metal frame, moves the unit price far more than adding ZigBee does.
It also explains why "just change the colour" is not free: it is a glass or frame change.
Certifications, and what they do and do not cover
CE, FCC, RoHS, UKCA, CCC and PSE are the ones a factory in Shenzhen can normally support for this category, and they cover radio, EMC, and hazardous substances.
They are not electrical safety approvals for the North American market. The US and Canada want UL or ETL (cUL or CSA in Canada). A factory that is honest will tell you it has an existing file for some products and not others, and you should ask for the specific file number rather than a general claim.
Radio certification being present does not mean the mains-side design has been evaluated for your market. Those are separate assessments.
Questions worth asking in the first email
Is the 500 piece MOQ for one colour of one existing model?
Which panel standards do you have existing tooling for?
Do you have a current UL or ETL file, and can I have the number?
What is the sampling lead time for an existing platform with my logo and packaging?
What is covered by the warranty and what happens to spares after the run ends?
A supplier who answers those five crisply is usually a supplier who will not surprise you later. One who answers with a price and nothing else generally will.
For reference, the factory I work with quotes 500 pieces per colour on standard models, 3,000–5,000 for custom tooling, 7–15 days for samples and 25–40 days for tooling, and supports CE, FCC, RoHS, UKCA, CCC and PSE. It does not hold a UL or ETL file, and we say so rather than discovering it three months in.
Xingliao Smart Home builds smart switches, video doorbells and security cameras on Tuya WiFi and Tuya ZigBee, and runs OEM/ODM programmes from Shenzhen. Factory and ODM capability.
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