1) U.S.
2) Russia
3) Japan
4) China
Explanation:
On May 10, 2019, Chinese Navy has commissioned two new Type 052D guided missile destroyers in Dalian, a coastal city. They are the 19th and 20th ships in the class and are named as Tangshan and Suzhou. China, at present, has 20 Type 052Ds either in active service or to be launched for service soon. The destroyers are fast and warships are operated for long distances. In addition, they can be used to accompany the aircraft carriers.The newly developed Type 052D destroyers are the upgrades of its previous version Type 052C.The Type 052D destroyer is a large 7500 tone destroyer. It was introduced into the People’s Liberation Army Navy(PLAN) in March 2014.