Heavy Engineering Industries and Shipbuilding Company (HEISCO) has issued the seventh change order to increase the value of a tender contract by KWD 6.52 million. The tender covers the maintenance and support services to Kuwait Oil Company's (KOC) exporting facilities for one year starting as of 1 January 2020 until 31 December, according to a bourse statement on Thursday. The transaction will generate operating revenues that will reflect on HEISCO's financial statements for 2020 and 2021.