Weishi rockets
The Weishi (WS; Chinese: 卫士; lit. 'Guardian') family of multiple rocket launcher systems were mainly developed by Sichuan Academy of Aerospace Technology (SAAT, also known as Base 062) in the central province of Sichuan, China at Chengdu city. The systems include the 302 mm (11.9 in) WS-1 (100 km (62 mi; 54 nmi)), the improved 302 mm (11.9 in) WS-1B (180 km (110 mi; 97 nmi)), the 122 mm (4.8 in) WS-1E (40 km (25 mi; 22 nmi)), the 400 mm (16 in) WS-2 (200 km (120 mi; 110 nmi)), as well as many other models. The Weishi series rocket system did not enter PLA service, but was exported to several countries.