The part of a sentence "in order to promote" is correct and usable in written English. You can use it when you wish to describe the purpose or objective of a certain action. Example: We are launching a new marketing campaign in order to promote our products.
"We decided somebody should put their hat in the ring in order to promote that debate.
But they argued that she conspired with those who were, in order to promote Shac's campaign.
"You cannot put off the first in order to promote the second".
"You do motor racing in order to promote your brand in the world market," said Zetsche.
In a sense, Baron Cohen's films exist solely in order to promote themselves.
Tomorrow (23 August), DeLaria will lead Manchester's Pride Parade in order to promote "gay visibility".
Republicans on the extreme are willing to lose elections in order to promote their principles.
Being a terminologist, I care about word choice. Ludwig simply helps me pick the best words for any translation. Five stars!
Maria Pia Montoro
Terminologist and Q/A Analyst @ Translation Centre for the Bodies of the European Union