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· Raw material management 2016-01-02
· Color and bar code management 2016-01-02
· Raw material supplier 2016-01-02
· Steel plate cutting quality 2016-01-02
· Polishing at chamfering in plate side 2016-01-02
· Arc isolation board 2016-01-02
· Chamfering 2016-01-02
· chamfering on weld access hole 2016-01-02
· Positioning welding 2016-01-02
· Submerged arc welding 2016-01-02
· Weld seam internal section view 2016-01-02
· Straightening of steel structure 2016-01-02
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