Lub roob Changbai, nrog rau Alps thiab Caucasus Roob, yog qhov tseem ceeb ntawm cov dej ntxhia hauv ntuj. Fabkis Alps yog lub hauv paus ntawm Evian ntxhia dej; Lub cheeb tsam Spa ntawm Belgium yog lub npe nrov rau nws cov khoom siv dej ntxhia thiab dej kub, thiab yog lub hauv paus ntawm lo lus "SPA" (hydrotherapy).
Tuam Tshoj cov khoom siv dej ntxhia ntuj yog qhov tseem ceeb hauv thaj tsam Changbai Roob ntawm Jilin xeev. Thaj chaw no suav nrog "Jilin Changbai Mountain Natural Mineral Water" thaj chaw tiv thaiv thaj chaw, suav nrog 16 lub nroog thiab nroog suav nrog Antu, Jingyu, thiab Fusong. Lub Nroog Antu tau tshawb pom 106 pob zeb hauv av nrog tag nrho cov dej ntws txhua hnub ntawm 568,000 tons, feem ntau yog cov dej ntxhia hauv cov dej ntxhia. Lub Nroog Jingyu paub txog nws cov peev txheej dej ntxhia ntau, nrog kev kwv yees cov peev txheej loj. Cov dej ntxhia hauv cheeb tsam no feem ntau yog tsim nyob rau hauv volcanic basalt strata thiab nplua nuj nyob rau hauv minerals xws li metasilicic acid thiab strontium.
Tsis tas li ntawd, cov khoom siv dej ntxhia tau raug tshawb pom thiab tsim nyob rau hauv lwm qhov chaw ntawm Tuam Tshoj. Piv txwv li, ib qho dej ntxhia pob zeb loj loj tau pom nyob hauv Shuli, Yixian County, Anhui Province; Mining txoj cai rau cov dej ntxhia tau ua tiav hauv cheeb tsam Xiongjiamiao, Qingcheng County, Qingyang City, Gansu Province; muaj ib txoj kev npaj tsim thiab siv dej ntxhia hauv Nanshan, Huarong County, Hunan Province; Cov dej ntxhia dej tau nthuav dav hauv Zhejiang Xeev, feem ntau ntawm cov tshuaj metasilicate acid; thiab Wuliquan hauv Arshan City, Inner Mongolia, kuj yog lub caij nplooj ntoos hlav pob zeb nto moo.
Cov dej ntxhia hauv ntuj feem ntau yog nyob hauv av tob hauv cov suab paj nruag, muaj kuab lom- thaj chaw dawb nrog cov qauv geological tshwj xeeb. Tom qab kaum xyoo mus rau kaum txhiab xyoo ntawm kev sib sib zog nqus ncig, pob zeb strata pom, thiab cov ntxhia yaj, cov cim qhia ntawm cov dej hauv av, xws li tshuaj lom neeg muaj pes tsawg leeg, tus nqi ntws, thiab dej kub, nyob twj ywm ruaj khov nyob rau hauv cov kev hloov pauv hauv ntuj tsim thiab muaj cov minerals tshwj xeeb lossis cov ntsiab lus uas ua tau raws li lub teb chaws tus qauv.
