Press Release Department of Labor and Employment 14 August 2019 Various establishments in Surigao City engaging on manufacturing, production, and services underwent a Lean Management Seminar on August 7, 2019 held at the Gateway Hotel in Surigao City conducted by the Regional Tripartite Wages and Productivity Board (RTWPB)-Caraga in coordination with the National Wage and continue reading : 41 Manufacturing companies in SDN availed of the Lean Management Seminar