Peb cov khoom tsim los nrog ib puag ncig hauv siab vim lawv tsis muaj cov khoom phom sij xws li txhuas, mercury thiab cadmium.
Khoom nta
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Peb cov khoom tau ua tib zoo tsim los txuas ntxiv lub sijhawm tso tawm thaum tuav lawv lub peev xwm tag nrho.
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Peb lub roj teeb tsim, tsim khoom thiab kuaj cov txheej txheem ua raws li cov txheej txheem nruj xws li CE, MSDS, ROHS, SGS, BIS thiab ISO daim ntawv pov thawj kom muaj kev nyab xeeb thiab zoo tshaj plaws.