; ในการซื้อขายและการส่งมอบ/รับมอบสินค้า (physical delivery) ของสัญญาซื้อขายล่วงหน้า  
Delivery of Notifications and Clarification Notes
Delivery of Notifications and Clarification Notes
% resulting from rescheduling of production and delivery plan by major customer and condition to sorting tower before delivery in some projects cause additional labor and operating cost. However, those projects
production and delivery plan by major customer and condition to sorting tower before delivery in some projects cause additional labor and operating cost. However, those projects will all be delivered within
profit of the large- scale project was very low because it was selling only hardware and the price competition is very high in the - 2 - project auction. As the result, the cost of sales and services was
profit of the large- scale project was very low because it was selling only hardware and the price competition is very high in the - 2 - project auction. As the result, the cost of sales and services was
Revenues 22.71 7.90 14.81 187.42% Total Revenue 257.35 353.79 (96.44) -27.26% Cost of goods sold and cost of services 217.76 434.06 (216.31) -49.83% 39.59 (80.28) 119.87 -149.32% Selling and Administrative
Cost from sale pipe 208.56 201.74 3.38 Cost from installation pipe 51.91 13.75 277.53 Cost from the water management business - Sales and service of water supply 25.56 20.30 25.91 - Installation of water
from steel structure manufacturing ratio in 3rd quarter of 2019 rose 35.10 QoQ resulting from condition to sorting tower before delivery in some projects cause additional labor and operating cost