Ecu testing ltd. email address

I'm happy to help! However, I need more information to provide the email address you're looking for. There are several companies named ECU Testing Ltd, and without more context, it's difficult to determine which one you're referring to.

Could you please provide more details such as:

1. Location (city or country) of the ECU Testing Ltd you're looking for?
2. Industry or sector they operate in (e.g. automotive, aerospace, etc.)?
3. Any specific services or products they offer?

With this information, I'll do my best to provide the email address you're looking for.