Employees of state-run enterprise Zorya-Mashproekt (Mykolaiv) have sent an open letter to Ukrainian Prime Minister Volodymyr Groysman asking to personally control the signing of contracts with the winners of the tender of public joint-stock company Ukrtransgaz to modernize three compressor stations in Ukraine for UAH 4.12 million by the due date.

The press service of the enterprise spread the open address where engineers reminded that Sumy Machine-Building Science and Production Association (Sumy NPO). The cost of Zorya-Mashproekt's equipment of the total cost of the project is around 30%.

"The tender was absolutely transparent in line with Ukrainian legislation. The ProZorro procurement system accepted the results of the tenders. Despite all circumstances, the contract has not yet been signed. Due to reasons we do not know the signing of the contract has been postponed," the press service said.

"This week the term of signing will expire. The employees of Zorya-Mashproekt ask you to take the situation under personal control," the company said.