Yeem ntas | Acetate / Mazzucchelli / Recycled PC / Titanium / Hlau / TR90 |
Yeem Lens | TAC / CR-39 / Nylon, Polarized / UV400, Daim iav / AR / Oleafobic txheej |
MOQ | 300pcs txhua xim |
Lub Sijhawm Lead | Feem ntau 3-4 lub hlis, nyob ntawm kev txiav txim kom muaj nuj nqis |
Cov nqe lus them nqi | T / T, Paypal, credit card, 30% tso nyiaj thiab tshuav nyiaj li cas ua ntej ua zaub mov xa tuaj |
Ntau tshaj 15 xyoo ntawm kev tsim tshwj xeeb hauv kev tsim, khoom siv tes ua, kev tsim khoom thiab xa tawm cov khoom zoo, pheej yig eyewear thoob ntiaj teb, peb tau dhau los ua tus neeg muag khoom tseem ceeb tshaj plaws thiab tus khub ntawm ntau lub ntiaj teb cov npe nrov lossis cov khw muag khoom.Peb cov khoom raug xa tawm hauv ntau tshaj 60 lub teb chaws thoob plaws ntiaj teb.Raws li peb qhov chaw tsim khoom ntawm Wenzhou thiab lub chaw tsim khoom muaj tswv yim ntawm Shanghai, peb tuaj yeem txaus siab rau feem ntau ntawm peb cov neeg siv khoom xav tau los ntawm ib lub tswv yim vwm ntawm cov qauv tshiab mus rau qhov project complex.Txawm hais tias lub sijhawm nyuaj ntawm qhov xwm txheej sib kis, peb tseem tab tom loj hlob.
1. Yog lub hnub tsis thab kuv ob lub qhov muag, kuv puas tseem yuav tau looj tsom iav dub?
Yog lawm.Lub hnub emits puas ultraviolet (UV) rays uas yuav ua rau lub qhov muag puas.Thiab UV rays nkag mus rau huab, yog li koj tuaj yeem tau txais lub hnub puas tsuaj rau koj ob lub qhov muag txawm nyob rau hnub overcast.
2.Dab tsi yog UV rays?
Ultraviolet (UV) rays yog lub zog siab, pom tsis pom lub teeb;Lub hnub ci yog qhov tseem ceeb ntawm UV.UV teeb tawg ua peb hom: UVA, UVB thiab UVC.UVA muaj qhov ntev wavelengths thiab dhau los ntawm iav yooj yim;Cov kws tshaj lij tsis pom zoo txog seb UVA puas ua rau lub qhov muag puas.UVB rays yog qhov txaus ntshai tshaj plaws, ua cov looj tsom iav dub thiab tshuaj pleev thaiv hnub yuav tsum;lawv tsis dhau iav.UVC rays tsis ncav cuag lub ntiaj teb vim nws cov huab cua thaiv lawv.
3.Do cov looj tsom iav no puas muaj kev tiv thaiv UV?
Tag nrho peb cov looj tsom iav dub muaj 400 UV tiv thaiv.Qhov ntawd txhais tau hais tias peb cov looj tsom iav dub thaiv lub teeb rays nrog wavelengths mus txog 400 nanometers, uas yog qee qhov me me tshaj UV rays.Qhov no suav nrog UVA, UVB thiab UVC rays.