UPS fuel additional query web site：https://www.ups.com/hk/zh/shipping/surcharges/fuel-surcharges.page?srch_pos=2&srch_phr=%E7%87%83%E6%B2%B9+

DHL fuel additional query web site：http://www.dhl.com.hk/sc/express/shipping/shipping_advice/express_fuel_surcharge_apem.html

FEDEX fuel additional query web site：http://www.fedex.com/hk/rates/dfs.html

TNT  fuel additional query web site：https://www.tnt.com/express/zh_cn/site/how-to/understand-fuel-surcharges-east-asia-middle-east-africa-greater-china.html