英语翻译They asked me to please contact you to let you know that

英语翻译
They asked me to please contact you to let you know that they will come to visit you on Saturday 6th December.Please confirm that this date is ok for you.
Also,I will need to know how they can reach your factory form Ningbo.
Do they have to take the plane?Or is it possible to go there by car?If yes,would you be able to pick them up from Ningbo on Saturday morning?
Please let me know ASAP so I can arrange for them – thank you.
Lastly,I will give you their phone number so you can contact them while in China is 11111111