Type 039B (Upgraded) from China for $5 billion for the Pakistan Navy. The deal was finalised on 23 July 2015. In October of the same year, it was revealed that four of the eight 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. On 6 July 2015, Tanveer Hussain, minister of defence production, announced two projects for the construction of four submarines in China and four in Pakistan will begin simultaneously. Hussain added that a training centre will also be created at KSEW. In late 2016 it was officially confirmed that China will see about four submarines delivered by 2023 and the remainder delivered by 2028. See also List of submarine classes in service Type 032 (Qing-class) submarine - A class of diesel-electric attack-submarines being built for Russia. Type 212 submarine - A class of diesel-electric attack-submarines developed by ThyssenKrupp Marine Systems and exclusively built for the German Navy, the Italian Navy and the Royal Norwegian Navy. Type 214 submarine - A class of export-oriented diesel-electric attack-submarines, also developed by ThyssenKrupp Marine Systems and currently operated by the Hellenic Navy, the Portuguese Navy, the Republic of Korea Navy and the Turkish Naval Forces. Type 218SG submarine - A class of extensively-customised diesel-electric attack-submarines developed ThyssenKrupp Marine Systems and currently operated by the Republic of Singapore Navy. - A class of extensively-customised diesel-electric attack-submarines developed by ThyssenKrupp Marine Systems and currently operated by Israel. - A unique class of diesel-electric attack-submarines developed by ThyssenKrupp Marine Systems and currently being built for Israel. - A class of export-oriented diesel-electric attack-submarines, jointly developed by Naval Group and Navantia and currently operated by the Chilean Navy, the Royal Malaysian Navy, the Indian Navy and the Brazilian Navy. S-80 Plus submarine - A class of conventionally-powered attack-submarines, currently being built by Navantia for the Spanish Navy. is a class of submarine developed by Kockums for the Swedish Navy KSS-III submarine - A class of diesel-electric attack submarines, built by Daewoo Shipbuilding & Marine Engineering and Hyundai Heavy Industries and operated by the Republic of Korea Navy. - A class of diesel-electric attack-submarines, built by Mitsubishi Heavy Industries for the Japan Maritime Self-Defense Force. - A class of diesel-electric attack submarines currently being built by Mitsubishi Heavy Industries and Kawasaki Heavy Industries for the Japan