Inside the Beijing February 7th Locomotive Works, which belong to the China National Railway Technical Equipment Corporation, showing BJ class diesel hydraulic locomotives in the paintshop.

• 在北京二七机车工厂内，我们看到喷漆车间里的“北京”型液力传动内燃机车，这个工厂隶属于中国铁道部技术装备局。