Pakistan Navy - In April 2015, Pakistan approved purchase of 8 export version of type 039B from China for $5 billion for Pakistan Navy. The deal was finalised on 23 July 2015.[15][16] In October of the same year, it was revealed that 4 of the submarines will be built in Pakistan, with work beginning in both nations simultaneously. Pakistan's Minister for Defense Production confirmed that the agreement included transfer-of-technology to construct the vessels.[17] On 6 July 2015 Rana Tanveer Hussain, minister of defence production announced two projects for the construction of four submarines in China and four in Pakistan will begin simultaneously.