NG Models China Southwest Airlines Boeing 737-600 B-2155 1:200 Diecast Model1: 200 Diecast: China Southwest Airlines Boeing 737 600 B 2155 (NG Models NG06011) B 2155 holds a documented first: delivered to China Southwest Airlines in July 2001, it was the first Boeing 737 600 ever operated in China. Boeing issued a formal press release on July 20, 2001 marking the occasion. China Southwest acquired three 737 600s in 2001 before the airline merged into Air China in late 2002. B 2155 subsequently transferred to Air China and