Location of completion stamp
The completion stamp shall be stamped on the top of the design mark in the lower right corner of the design drawing or around the place where no graphics and words are stamped.
Inkjet of completion stamp
The completion stamp shall be stamped with indelible red inkpad.
Completion seal and signature confirmation
The completion stamp shall be signed and confirmed by the construction unit, the preparation personnel and the technical director, and shall be audited by the supervision unit and signed and approved by the chief supervision engineer.