The original fixed-price 200 baht, the price changes as rates on DHL to agree with people checking goods (Customs) some people pass without an edit. But some people don't pass it to edit.
Price unchanged at 200 baht conversion price is the price at which an agreement with DHL Cargo (Customs), some of them pass through without altering the price up. But some people do not have to fix the new price.
Prices remain 200% price change is the DHL dealing with customs (customs) some of them through without a fixed price. But some people fail to solve the new price.