data analytics in manufacturing

How to make smart factory?

How do we make a smart factory?

Most countries is competing to acquire smart factory technologies.

Most countries are competing to acquire smart factory technologies.

For example german usa japan china.

For example, Germany, USA, Japan, and China. (Or: Germany, USA, Japan, and China are examples.)

It is main area to get the power for future capability in the world.

I understand what you're trying to say here, so I will suggest a few more natural ways to put it:

- Smart factories are the main area of focus for future manufacturing power and capability around the world.

- Smart factory technology is a top area of focus for manufacturers around the world.

- Manufacturers around the world list smart factory technologies as a main area of focus and development.

But it is not easy to achieve it in a short time.

However, it is not easy to achieve in a short time. "But" is a coordinating conjunction and is usually used to join two phrases. While you can use the word "but" to start a sentence, "However" has a similar meaning and may be more appropriate to use, especially in formal or business writing.

Any country that get the power in first can get much wealth.

Any country that can develop this power first will gain much wealth.

Alternatives:

The first country to gain this power will have a great financial advantage.

Any country able to harness this power can expect huge financial gain.