"supporting the launch" is a correct and usable phrase in written English.
For example: The team is working hard to complete the project before the launch, supporting the launch's success.
Norris is supporting the launch of Philips PerfectCare steam iron.
Louis Smith is supporting the launch of Danio yoghurt.
Over 50 financial institutions are supporting the launch of V.me, which accepts non-Visa cards in its wallet, too.
Last year, two men were jailed after taking part in a peaceful demonstration supporting the launch of a West Papua lobby group in the British parliament.
Lewis is an Olympics ambassador for the 2012 Games and is also supporting the launch of the Dettol Power and Pure range.
The CHESS ITR grant has been instrumental in supporting the launch of Tomlin’s new Hybrid Systems Laboratory in Cory Hall.
It recently supported the launch of its Preztzel Bacon Cheeseburger with online marketing campaign #PretzelLoveSongs.
She lives with her husband and three children in Buckinghamshire Denise Lewis is working with Dettol to support the launch of the new Dettol Power and Pure range.
"I want to thank all the partners who made this possible, media who supported the launch, and those who have gone out to see the movie," Hirai said.
Wonderbra's latest campaign is to support the launch of its larger size D to G cup range, the brand's marketing manager, Julia Nolan, added.
We strongly support the launch of the WTO new round at the conference, recognizing that the current slowdown in the world economy has added to its urgency.
