Tag nrho cov hlau txhuas hauv cov coatings saum lub rooj zaum

- May 30, 2018-

Tag nrho cov hlau txhuas hauv cov pa npog npog rau cov rooj tog zaum hauv tsev


[Txhua lub teb chaws]

Tag nrho cov pa npog npog hauv qhov chaw tau txais los ntawm cov khoom yuav tsum tsis muaj cov khoom ua hmoov txhuas los sis cov hmoov lead hauv cov txheej txheem cov hmoov txhuas muaj tshaj 0.009% (90ppm) ntawm qhov nyhav ntawm tag nrho cov ntsiab lus.

 

Qhia cov ntsiab lus tseeb los yog muab cov lus qhia hauv cov lus ceeb toom hauv tsab ntawv ceeb toom.

 

Kev ntsuam xyuas ntawm tus kheej yog tso cai.

Ua kom zoo li 3 xim yog pub