UPS, DHL, FEDEX, TNT are top express offer companies in the world.
UPS has Saver fast and Expedited economy; limit carton length to 1.5m, will charge over length fee if beyond 1.5m. UPS has almost the best express and good choice. Also able send battery within limited conditions.
DHL has very good delivery time, almost same as UPS saver fast, but have higher rate. Have advantages on China to Australia, small shipments go to the USA and Europe.
TNT has advantages on Saudi and Middle East, also has very good delivery during transportation peak season.
Volume weight measure method:
L cm * W cm * H cm/5000, the final charge weight is based on the heavier one between actual weight and volume weight.
Surcharges:
Remote surcharge, residential address surcharge, overweight charge, over-length charge , battery surcharge, change delivery address surcharge.