Here is the visa type description field.
Double Entrycovers 1 person for 2 entries and 2 exits within a 30 day period
Double Entrycovers 1 person for 2 entries and 2 exits within a 90 day period
If you have any questions at all please do not hesitate to contact your visa agent, if you do not have their details to hand then simply call the main office number 020 7993 8027.
All UK passport holders require a visa to visit China unless you are travelling to Hong Kong and/or Macau only, and you are travelling for tourism or business. To find out if you require a China visa read our visa free regime