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