They said/ thought that …
Finally, we asked our customers to compare ...
First , we contacted/ offered them ….
We found that …
Then we visited/ interviewed/ asked them …
We did this by contacting ....
The purpose of this research was ....
Our goal was to find out a supplier ...
We wanted to find out ...
We started by comparing the products from ....
Our conclusion is that …
We recommend changing the design.
Eighty per cent/ The majority said that …
Our research showed that ….
Firstly, we …
...We also found that customers prefer to