Generally, only the technical person in charge, the quality inspector and the construction team leader sign on the construction side, and basically there is no signature of the builder (if there is one on the form, there is no need to sign).

The builder is the technical organization and management personnel at the grass-roots level. The main work content is to go deep into the construction site under the leadership of the project manager, assist the construction supervision, check the engineering quantity together with the construction team, provide the specifications, models and delivery dates of the materials needed in the construction site, do a good job in the acceptance visa and management of the on-site materials, handle the acceptance visa and engineering quantity visa of the concealed works in time, assist the project manager in collecting, keeping and archiving the engineering data, and take an important responsibility for the progress and expenses of the on-site construction.