Designed by Shanghai Jiao Tong University, the first ship entered service in December 1977, and a total of three were completed, and all of them remain active as early 2010s, despite their replacements have already entered service.
A total of three were completed, and all of them remain active as of the early 2010s, despite the fact that their replacements have already entered service. Designed by Shanghai Jiao Tong University, the first ship entered service in December 1977.
Designed by Shanghai Jiao Tong University, the first ship entered service in December 1977. A total of three were completed, and all of them remain active as of the early 2010s, despite the fact that their replacements have already entered service.
Designed by Shanghai Jiao Tong University, the first ship entered service in December 1977. A total of three were completed, and all of them remain active as of the early 2010s, despite the fact that their replacements have already entered service.