hais txog wb
Txij li thaum nrhiav tau nyob rau hauv 1999, 100 PSA nroj tsuag, nrog rau lub ntiaj teb no tus loj tshaj plaws rau lwm-ib txheej ntawm VPSA-CO thiab VPSA-O2 equipments, tau raug tsim thiab nkag los Pioneer
Tuam txhab Keeb kwm
Txij li thaum nrhiav tau nyob rau hauv 1998, Rau xyoo lawm, peb tau suppling ozone generators rau ntau yam zoo-paub cov neeg muas zaub, piv txwv li, Coca-Cola, Ting Hisin International, Danone, Desjoyaux, liab 60% ntawm cov ozone coj mus muag daim ntawv thov nyob rau hauv domestic kev ua lag luam.