| Type, amount, year | Displacement, t standard full load | Main size, m length x beam x draught Armoured, mm .-.-. | Propulsion (power, hp) Max speed, knots | Range, miles at speed, knots | Crew (officers) | Armament |
| Houjian 520T 6, 1991-1998 | . 520 | 65,4x8,4x2,4 | . (15800) 33,5 | . . | 75 (.) | 6 SSM "C-801"; 1x2 37-mm; 2x2 30-mm |
| Haiqing 037-I 20, 1991-... | . 478 | 62,8x7,2x2,2 | . (12000) 28 | . . | 71 (.) | 2x2 37-mm; 2x2 14,5-mm; 4 ASW RL |
| Houxin 037-II 14, 1991-... | . 478 | 62x7,2x2,2 | . (13200) 32 | . . | . (.) | 4 SSM "C-801"; 2x2 37-mm; 2x2 14,5-mm |
| Protector 6, 1992-1993 | . 170 | 32,6x8,2x1,6 | . (4400) 24 | . . | 19 (.) | 1 12,7-mm; 2 7,62-mm |