如果客户投诉问题非己方责任，卖方回复时包括以下内容要点，正确排序是：①We feel regretful to hear that 5,000 glass vases arrived at your port with 20% damaged.②To assist your claims, we are willing to offer you the necessary documents as requested.③After careful inspection, we estimate that the damage might be due to rough handling duringtransit.④As is known to all, each shipment of our goods is strictly inspected, so we think the goods were in perfect condition when they were shipped., which is supported by the clean B/L.⑤We consider it a matter for you to make claims on the shipping company or the insurers who have covered you against the Risk of Breakage.