The 24hour/multiple stops option did take a while to reappear after the covid-restrictions were lifted, but it is there now, even for queries that bring up the 144-hr options (here using New Zealand passport holder, resident in UK travelling from UK to New Zealand via China). The relevant part is highlighted by asterisks (my addition to the ExpertFlyer output)
Code:
Visa, Health & Passport:
...
(cut New Zealand immigration text)
...
China - Transit PassportPassport required.
Document ValidityWhen in transit, passports and other documents accepted for entry must
be valid for a minimum of 3 months from the arrival date.
China - Transit VisaVisa required.
TWOV (Transit Without Visa)Passengers with a confirmed onward ticket for a flight to a third
country within 24 hours. They must stay in the international transit
area of the airport and have documents required for the next
destination. *****Passengers with multiple transit stops within China
(People's Rep.) can obtain an entry permit on arrival, with a total
transit time not more than 24 hours*****
This TWOV facility does not apply at Fuzhou (FOC), Huangshan (TXN),
Mudanjiang (MDG), Shenzhen (SZX), Urumqi (URC) and Yanji (YNJ).
Nationals of New Zealand transiting through Changsha (CSX) with a
confirmed onward ticket for a flight to a third country within 72
hours, starting from 00:01 on the day following the day of entry. They
must:
- arrive at and depart from the same airport; and
- have documents required for the next destination.
Nationals of New Zealand transiting through Guilin (KWL) or Harbin
(HRB) with a confirmed onward ticket for a flight to a third country
within 72 hours. They must:
- arrive at and depart from the same airport; and
- have documents required for the next destination.
Nationals of New Zealand with a confirmed onward air, cruise or train
ticket to a third country within 144 hours, starting from 00:01 on the
day following the day of entry. They must:
- arrive at and depart from one of the following locations: Hangzhou
(HGH), Nanjing (NKG), Ningbo (NGB), Shanghai: Hongqiao (SHA) and
Pudong (PVG), Shanghai Port International Cruise Terminal, Shanghai
Wusongkou (Baoshan) International Cruise Terminal or Shanghai Railway
Station; and
- have documents required for the next destination.
Nationals of New Zealand with a confirmed onward air, cruise or train
ticket to a third country
within 144 hours, starting from 00:01 on the day following the day of
entry. They must:
- arrive at and depart from one of the following locations: Beijing
(PEK), Daxing (PKX), Tianjin (TSN), Shijiazhuang (SJW), Beijing West
Railway Station, Tianjin International Cruise Home Port or Qinhuangdao
Sea Port; and
- have documents required for the next destination.
Nationals of New Zealand with a confirmed onward ticket for a flight
to a third country within 144 hours, starting from 00:01 on the day
following the day of entry. They must:
- arrive at and depart from one of the following two airports: Dalian
(DLC) or Shenyang (SHE); and
- have documents required for the next destination.
Nationals of New Zealand transiting through Chengdu Shuangliu (CTU) or
Chengdu Tianfu (TFU) with a confirmed onward ticket for a flight to a
third country within 144 hours, starting from 00:01 on the day
following the day of entry. They must:
- arrive at and depart from Chengdu Shuangliu (CTU) or Chengdu Tianfu
(TFU); and
- have documents required for the next destination; and
- stay in the administrative area of Chengdu, Lesha, Deyang, Suining,
Meishan, Ya'an, Ziyang, Neijiang, Zigong, Luzhou and Yibin.
Nationals of New Zealand transiting through Kunming (KMG) or Wuhan
(WUH) with a confirmed onward ticket for a flight to a third country
within 144 hours, starting from 00:01 on the day following the day of
entry. They must:
- arrive at and depart from the same airport; and
- have documents required for the next destination.
Nationals of New Zealand with a confirmed onward air or cruise ticket
to a third country within 144 hours, starting from 00:01 on the day
following the day of entry. They must:
- arrive at and depart from one of the following locations: Qingdao
(TAO) or Qingdao Port; and
- have documents required for the next destination.
Nationals of New Zealand transiting through Xiamen (XMN) with a
confirmed onward air or cruise ticket to a third country within 144
hours, starting from 00:01 on the day following the day of entry. They
must:
- arrive at and depart from one of the following locations: Xiamen
(XMN), Xiamen International Cruise Center or Wutong Passenger Wharf;
and
- have documents required for the next destination.
Nationals of New Zealand with a confirmed onward air, bus or cruise
ticket to a third country within 144 hours, starting from 00:01 on the
day following the day of entry. They must:
- arrive at one of the following airports: Guangzhou (CAN), Shantou
(SWA) or Shenzhen (SZX); and
- depart from one of the following locations:
Airport: Guangzhou (CAN), Meixian (MXZ), Shantou (SWA), Shenzhen
(SZX), Zhanjiang (ZHA);
Highway port: Futian Port, Hengqin Port, Huanggang Port, Luohu Port,
Man Kam To Port, Shenzhen Bay Port, Shenzhen Shatoujiao Port, Zhuhai
Gongbei Port;
Sea port: Dongguan Humen Port, Doumen Port, Foshan Gaoming Port,
Guangzhou Port, Heshan Port, Jiangmen Port, Jiuzhou Port, Lianhuashan
Port, Nansha Port, Rongqi Port, Shekou Wharf Port, Shenzhen Airport
Supporting Port, Wanshan Port, Wanzai Port, Zhongshan Port; and
- have documents required for the next destination.
Nationals of New Zealand with a confirmed onward air ticket to a third
country within 144 hours, starting from 00:01 on the day following the
day of entry. They must:
- arrive at and depart from Chongqing (CKG); and
- have documents required for the next destination.
Nationals of New Zealand with a confirmed onward air ticket to a third
country within 144 hours, starting from 00:01 on the day following the
day of entry. They must:
- arrive at and depart from Xi'an (XIY); and
- have documents required for the next destination.