https://activity.alibaba.com/pc/588125f6.html
https://sourcing.alibaba.com
https://waimaoquan.alibaba.com/newbbs/topic/270684
https://waimaoquan.alibaba.com/newbbs/topic/275678
https://service.alibaba.com/hc/supplier/detail/20139266.htm
https://activity.alibaba.com/waimaoquan/bttxjq.html
https://service.alibaba.com/hc/supplier/detail/20143784.htm
https://service.alibaba.com/hc/supplier/detail/20143747.htm
https://www.yuque.com/docs/share/3616b2b8-9cf3-4f6a-ba71-34b31b6149fc?#
自营出口项下美金交易,买家支付欧元到信保订单,关联订单时需要兑汇成美金,此时参考的汇率为境外新加坡摩根大通银行汇率,和境内中行汇率比大约差1%