the cost of sales varies according to the increase in revenue while the Company’s subsidiaries cost of sales was increased due to its production could not utilized full capacity. (3) Gross profit The

3,663,678 Less : Allowance for doubtful accounts (9,080) (14,884) 3,112,417 3,648,794 Inventory In general, Hana's production is based on clients' orders, consequently, the majority of inventory are raw

production efficiency in order to slow down production to not increase the burden of inventory and is also an important part of maintaining cash flow in the coming months the import of goods at a cheaper price

10.59% QoQ resulting from improving in production capability, efficiency and fuel management. • Cost to revenue from sale of industrial equipment ratio in Q1-2020 decreased by 13.56% QoQ resulting from

or 36.71% due to the cost of sales varies according to the decrease in revenue while the Company’s subsidiaries cost of sales was increased due to its production could not utilized full capacity. (3

capital. PPTC Company Limited ("PPTC") is a Small Power Producer of Cogeneration Power Plant with a approximate maximum capacity of 120 MW and approximate maximum steam production capacity of 30 tons per

demand in the market. Excess production in China caused extra problems as the local production could not be shipped out due to pandemic, resulting into an intense competition and price in China. For

reduce the production costs of the Company’s energy drinks in bottle formats. 2 Gross profits and gross profits margin Gross profits were THB 5,810 million, increased by THB 1,202 million or 26.1

expanding of production line. By the way, no significant change in sales and service income of Quarter 4 compared to Quarter 3 2019, except sales of electricity of Solar Energy Power Plant which increase by

Baht appreciation, affected to production competitiveness that manufacturers made decision to shift production base or import materials from foreign. Similarly, private investment sector and employment