I just asked the other side to your price to make concessions, the other side said that the exchange rate changes a lot, materials in the non-stop price increase, so that price is already the limit, you go back to ask the original offer to your people, perhaps now that price may not be able to deal, with the change of time, material prices and other factors, the price will not be a fixed price, there may be fluctuations, this is a normal phenomenon
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