Announcement - General Guideline, Standard Regulation Open Procedure (Construction Work) Pu 7 - Screed Work, Sanitary Building Floating Cement Screed: 1,220M2 Proportion Of Heating Lines: 930M2 Pu 7 - Screed Work, Sanitary Building Floating Cement Screed: 1,220M2 Proportion Of Heating Line: ... More