Is there a long-distance bus from Luohu in Shenzhen to Kaiping?

Yes, you can take a long distance bus at the Luohu Bus Station to Kaiping at the cost of CNY110/person. The bus operates from 07:20 to 21:00. The departure interval is 0.5-1 hours. It will take 3 to 4 hours to reach the destination.
In addition, Luohu Bus Station is located at business center, on the east square of the Main Railway Station.