The Asian Infrastructure Investment Bank (AIIB) has issued 3 billion yuan (about $434.9 million) worth of panda bonds, with both the order volume and the number of investors hitting record highs. The three-year bonds carry a coupon rate of 1.7%. A total of 34 investors participated in the offering, placing orders worth 9 billion yuan. Overseas investors accounted for 58% of the allocation, the bank said Tuesday.