1. For the samples on first contact, DHL/UPS/TNT/FedEx under DDP. If you need to declare the goods value equal the T/T payment figures, pls inform us previously.
2. For most countries like US, UK, CA, AU, EUs, the DAP(DDU) should be the best term, unless you have difficulty to deal with domestic customs. Most of our goods are not customs-sensitive.
3. On the other hands, if there are always trouble with the customs clearance, for instance, Vietnam, Indonesia, Russia, etc. We recommend the DDP of dedicated transportation line, unless you have the powerful customs relationships, and have done it successfully before.
For further details, pls communicate privately.