increased use of autoclaved aerated concrete blocks as Thailand follows a global trend. The nonferrous mining segment in our key export market Laos remains strong however as a new competitor comes on stream
decreased from the same period of previous year by Baht 20.90 million or 2.02 percent, due to the decrease in sales revenue from roof tiles but sales revenues from board products, autoclaved aerated concrete
cost of water treatment system installation is around 40-60 baht per waste water ton. This would affect the cost structure and the investment return of the project. (3) Analysis on movement of the
reclassification in the amount of Baht 2,334 Million, net of corporate income tax. 4. The progress of the MRT Blue Line Extension Project At the end of December 2019, the progress of the installation of the M&E
of LED screens installation of THB 109mn, the recognition of billboard structure of THB 143mn as well as the recognition of COMASS’s assets after consolidated of THB 48mn and 2) the increase in the
mainly from the recognition of billboard structure of THB 147mn, an increase in work in process of LED screens installation of THB 127mn and the recognition of COMASS’s assets after consolidation of THB
year 2017. Meanwhile, most of projects in 2016 were sales of goods and installation and maintenance services, which were high margin projects. As a result, the increase in cost of the Q4-2017 is higher
abovementioned consolidation. Cost from Trans.Ad Group are naturally higher from computers, software and installation expenses than MACO’s core business in media. Selling, general and administrative expenses (“SG