Photo by Chongqing Industrial Museum - Airplane

Chongqing Industrial Museum - Airplane

Photo by Chongqing Industrial Museum - Giant Gear

Chongqing Industrial Museum - Giant Gear

Photo by Chongqing Industrial Museum - Die and Molding Equipment

Chongqing Industrial Museum - Die and Molding Equipment

Photo by Chongqing Industrial Museum - Steam Train

Chongqing Industrial Museum - Steam Train

Photo by Chongqing Industrial Museum - Steel Pipes in the Factory

Chongqing Industrial Museum - Steel Pipes in the Factory

Photo by Chongqing Industrial Museum - Steel Frame (Xiao Zhan Edition)

Chongqing Industrial Museum - Steel Frame (Xiao Zhan Edition)

Photo by Chongqing Industrial Museum - Year Wall (Xiao Zhan Edition)

Chongqing Industrial Museum - Year Wall (Xiao Zhan Edition)