Add spaces: ThisproductwasaddedtoourcatalogonThursday06July,2017.

Answer: This product was added to our catalog on Thursday 06 July, 2017.

Add spaces: -(Helena:)Iespeciallythink,underMars.

Answer: - (Helena:) I especially think, under Mars.

Add spaces: HoweverDALnet'ssoftwareandstaffwillalwaysconsiderthefounderofachanneltobetheonlypersonfinallyresponsibleforhowthatchannelisrun.

Answer:
However DALnet's software and staff will always consider the founder of a channel to be the only person finally responsible for how that channel is run.