14,195.4 13,797.5 +2.9% 12,448.8 +10.8% [ Sales Revenue, USD $420.4 $394.0 +6.7% $364.9 +7.9% ] Cost of Sales 9,933.1 8,985.0 8,535.0 Gross margin, (%) 30.0% 34.9% 31.4% Selling&Administration 1,817.6
completed and the construction of various buildings has progressed by more than 84.63% of the total construction. At present, the project is in the process of the development of utility system including the
1.01 MB or 17.18 per cent. . Administration expenses The Group has administration expenses increased from the same period of previous year at 0.26 MB or 1.29 per cent and increased from the same period
million or 288.03 per cent. Due to, increase installation and maintenance services for pneumatic tube carrier systems in the hospital, has been completed to install 5 projects As a result, the revenue in
commission expense from Hi Healthcare center Co., Ltd. for improve sale and service. 3.4 Administration expenses The Group's administrative expense was increased from the year 2018 in an amounting of Baht
Co., Ltd. was decreased from Wuttisak Clinic was temporary closed from COVID - 19. 3.4 Administration expenses The Group's administrative expense was decreased from the same period of previous year in
the year 2019 in an amounting of Baht (3.87) million or (10.39) percent. Mainly came from growth of revenue in last year while fixed cost still constant. 3.3 Administration expenses The Group's
Mr. Surasak Ritthongpitak holds a Bachelor of Business (Finance) (2nd Class Honors) from University of Wollongong, Australia, and a Master of Business Administration (Management) from Saginaw State
accounting students, Faculty of Business Administration and Information Technology, the Rajamangala University of Technology Suvarnabhumi (RUS), with approximately 100 participants. This lecture was part of