A few good sheet metal china images I located:
WSC2015_skill46_MM-6318

Image by WorldSkills
WSC2015_Skill46_AM_6092

Image by WorldSkills
WSC2015_Skill46_AM_6093

Image by WorldSkills
Rapid Prototyping China
A few good sheet metal china images I located:
WSC2015_skill46_MM-6318

Image by WorldSkills
WSC2015_Skill46_AM_6092

Image by WorldSkills
WSC2015_Skill46_AM_6093

Image by WorldSkills