退税、HS编码、反倾销、时区、国际区号、汇率、原产地证……一次性收全！
1/http://hd.chinatax.gov.cn/fagui/action/InitChukou.do 出口退税率查询
2/https://www.hsbianma.com/ HS编码查询
3/http://www.customs.gov.cn/customs/302427/302442/shangpinshuilv/index.html 进出口商品税率查询
4/http://check.ccpiteco.net/ 贸促会原产地证真伪查询
5/http://origin.customs.gov.cn/ 海关原产地证真伪查询
6/http://cacs.mofcom.gov.cn/cacscms/view/searchList 各国商品反倾销查询
7/http://www.boc.cn/sourcedb/whpj/ 汇率查询
8/https://themoneyconverter.com 汇率转换查询
9/https://baike.baidu.com/item/%E4%B8%96%E7%95%8C%E5%90%84%E5%9B%BD%E8%B4%A7%E5%B8%81%E5%90%8D%E7%A7%B0/8587022?fr=aladdin 世界各国货币名称
10/http://www.customs.gov.cn/customs/302427/302442/tgzt/index.html 通关状态查询
11/https://www.track-trace.com/aircargo 空运提单查询
12/http://www.timeticker.com/ 各国时差查询
13/http://www.dragon-guide.net/hangye/guojidianhua.htm 国际区号查询
14/https://www.timeanddate.com/calendar/ 各国日历&节假日
15/http://www.acronymfinder.com/ 英文缩写查询
16/http://www.free-pdftoword.com/cn/ PDF免费在线转换
17/http://verify-email.org/ 邮箱地址验证
18/https://whatismyipaddress.com/trace-email 检测邮件是否为竞争对手所发
工具虽小，但跟业务密切相关，收藏以备不时之需。
