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harbin dongsheng held the second outstanding employees sharing experience

2016-06-15

2016 china international aluminum casting technology forum held on the developme

2016-06-15

dongsheng company held april staff birthday party

2016-06-15

dongsheng metal held "open eyes" training experience sharing pk activity

2016-06-15

let wisdom with you ------ dongsheng metal - in the first "open eye" jilin train

2016-06-15

harbin dongsheng held excellent employees experience sharing

2016-06-15

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