1, cov neeg mus tsham rau yooj yim, tab sis tsis dhau zoo nkauj hlau qhov rooj ntawm nws ya raws superior kuj.
2, xaiv lub qhov rooj phaj deg uas cov tub ntxhais, cov waterproof, tab sis tsis muaj ntau twb yeej, yog muaj me ntsis kev xaiv rau qhov teeb meem;
3, xaiv txhuas magnesium titanium alloy ntawv, kev kawm waterproof, ntau yeej, xim nplua nuj, needless hais, yuav pom tau qhov zoo tshaj ntawm cov khoom thickness, raw li tus Tswjhwm, kev siv ntawm tej qhov rooj yog tus xaiv zoo;
4, xaiv hlau stainless thiab khob qhov rooj, waterproof thiab siv zog tsis yog zoo, tiam sis tus nqi yuav ntau dua, siv tsawg tsis txhob kim rau cov chav siv kho kom zoo nkauj. Tsis tas li txhua ib nrab frosted-khob qhov rooj yog cov hoob nab twb zoo xaiv.
