Are you using RocketMQ MQTT?

## Are you using RocketMQ MQTT?

As the parts of the next generation of the Apache RocketMQ. The project can better support messages from terminals such as IoT devices and mobile apps with the advent of the IoT. Today, we sincerely invite you to take a minute to feedback on your usage scenario, whether you pass here by chance, or you are a frequent user in the IoT or offering Communications Platform as a Service (cPaaS).

## The purpose of this issue
We are always interested in finding out who is using our MQTT solution, what attracted you to use it, how we can listen to your needs, and if you are interested, help promote your organization.

## What we would like from you
Pls. submit a comment in this issue to include the following information:
* your company, school, or organization
* your country and city
* your contact info, such as email, WeChat, and Twitter (optional).
* usage scenario
* expectations(optional)

You can refer to the following sample answer for the format:
```
* Organization: XX Company
* Location: Seoul, South Korea
* Contact: foobar@gmail.org
* Version: v1.0.0
* Status: production
* Expectations(optional): Integrated with HIveMQ, support clustering and metadata management.
```

Thanks again for your participation!
Apache RocketMQ Community