1. Check the manufacturer's logo: curtain wall glass is generally printed with the manufacturer's logo, which can be used to determine the brand and model.
2. Find the product number: curtain wall glass usually has a unique product number, which can also help you confirm the brand and model.
3. Ask the installer or constructor: If you don't know how to check the brand and model of curtain wall glass, you can consult the original installation or construction company, and they should be able to provide relevant information.
4. Online search: If the above methods can't get the required information, you can also try to search for relevant information online. Many well-known curtain wall glass brands will publish their own product information on official website and provide inquiry service.