Ukrainian Prime Minister Volodymyr Groysman has expressed confidence that tenders to modernize the Ukrainian gas transport system (GTS) were held honestly and in transparently.

"We have the ProZorro system and those who participate in it as buyers and sellers. I hope that the tender was held honestly and transparently and there are no grounds for being annulled or revised," he said in parliament, asked about the tenders to reconstruct three compressor stations won by Sumy Machine-Building Science and Production Association (Sumy NPO).

He said that it is important to buy from national producers.

"We are drawing up approaches that would help our Ukrainian enterprises to take part in all public tenders. It is important for us that each Ukrainian hryvnia was invested in our national economy," he said.

"We would support Ukrainian enterprises in their production with the high level of localization and added value," Groysman said.