From these events, as a result, it is necessary to other raw materials supply cheaper to replace, because they are unable to increase the price of goods to their customers.
Of such event, the customer is required to supply the raw materials that are cheaper than the alternative because they can not raise prices to their customers as well.
From the event due to the need to supply the customers with the cheaper raw materials other มาทดแทน because they cannot adjust prices to their customers as well