Malinga ndi malipoti a atolankhani pa Seputembala 5, Thailand yalengeza mwalamulo kuti njanji yothamanga kwambiri yomangidwa ndi mgwirizano wa China ndi Thailand idzatsegulidwa mwalamulo mu 2023. Pakadali pano, pulojekitiyi yakhala pulojekiti yoyamba yayikulu yolumikizana pakati pa China ndi Thailand. Koma pamaziko awa, Thailand yalengeza dongosolo latsopano lopitiliza kumanga njanji yothamanga kwambiri ndi China kupita ku Kunming ndi Singapore. Zikumveka kuti Thailand idzalipira zomanga misewu, gawo loyamba ndi ma yuan 41.8 biliyoni, pomwe China ili ndi udindo wopanga mapulani, kugula sitima ndi ntchito zomanga.

Monga tonse tikudziwa, nthambi yachiwiri ya sitima yapamtunda yothamanga pakati pa China ndi Thailand idzalumikiza kumpoto chakum'mawa kwa Thailand ndi Laos; nthambi yachitatu idzalumikiza Bangkok ndi Malaysia. Masiku ano, Thailand, yomwe ikumva mphamvu ya zomangamanga za China, yaganiza zoyika ndalama pa sitima yapamtunda yothamanga yolumikiza Singapore. Izi zipangitsa kuti Southeast Asia yonse ikhale yoyandikana, ndipo China ikuchita gawo lofunika kwambiri.

Pakadali pano, mayiko ambiri akumwera chakum'mawa kwa Asia akugwira ntchito yomanga zomangamanga, kuphatikizapo Vietnam, komwe chuma chikukula mofulumira. Komabe, pomanga njanji yothamanga kwambiri, Vietnam yapanga chisankho chosiyana. Kale kwambiri mu 2013, Vietnam inkafuna kukhazikitsa njanji yothamanga kwambiri pakati pa Hanoi ndi Ho Chi Minh City, ndikuyitanitsa dziko lonse lapansi. Pamapeto pake, Vietnam idasankha ukadaulo wa Shinkansen waku Japan, koma tsopano polojekiti ya Vietnam sinayime.

Pulojekiti ya sitima yapamtunda yothamanga kwambiri ya North-South ku Vietnam ndi iyi: Ngati dongosololi laperekedwa ndi Japan, kutalika konse kwa sitima yapamtunda yothamanga kwambiri ndi pafupifupi makilomita 1,560, ndipo mtengo wonse ukuyembekezeka kukhala 6.5 trillion yen (pafupifupi 432.4 biliyoni yuan). Ichi ndi chiwerengero chapamwamba kwambiri cha dziko la Vietnam (GDP ya 2018 yofanana ndi madera a Shanxi/Guizhou okha ku China).