Current Tenders; Publication of Bidders / Suppliers; Finalised Contracts . The Tender bulletin is published by the Government Printing Works Tenders G =Gazette, RG =Regulation Gazette, BN =Board Notice, GeN =General Notice, GoN =Government Notice, P =Proclamation W =Warrant, T.= Tender … Tenders. Trusted in South Africa and Africa, a cost effective solution for identifying new tender opportunities. Tenderers should submit the Tender in a sealed envelop marked “TENDER FOR CLEANING CONTRACT OF ” to the Manager’s office at 17th Floor, Dorset House, Taikoo Place, 979 King’s Road, Quarry Bay, Hong Kong before