egarding the order A9306F221003 / 37458 for a new fintube-bundle for your GasKat in Taizhou, we have brought up below given topic of the advance payment security. Please find below highlighted in yellow the relevant questions. Shortly summarized, we would like to use a parent company guarantee instead of a bank guarantee, as the amount of money to be secured is too low for us to apply for an external bank guarantee. If you require further background information, please this also below the text before the yellow marked text.We kindly ask for your approval so we can proceed working on the order.