Can you give me info on the bus from Vientiane to Luang Prabang?

Some information about bus from Vietiane to Luan Prabang
– travel by bus/minivan takes about 10- 13 hours from Vientiane to Luang Prabang (340 km)
– modern, sleeper and comfortable buses or minivans (minivans are faster)
– the one-way bus ticket costs about $22-30
– come to the station at least 30 minutes before departure
– bus of Naga Travel – come to check in at least 60 minutes before departure and wait in front of Khop Chai Deu restaurant, then the representative will come to pick you up
– read the all aditional information before you book and buy your tickets
book and buy bus e-tickets to Luang Prabang and see schedule on Baolau or 12go.asia
– you will receive your e-ticket by email, ready to print or carry in your mobile phone or tablet and present at the ticket counter of the station before boarding the bus
Some bus/minivan companies you can refer: King of bus, Malany, Naga Travel, PST Transit Service, Soutchai Travel…