Cov Lus Qhia Ceev:
| Yam khoom: Cov ntaub ntawv siv rau iav etching | Ntawv pov thawj: ISO9001 & ISO14001 |
| Zog: Hmoov | Xim: Dawb |
| Pob Khoom Thauj Khoom: 25kg / Hnab | Specification: hmoov dawb dawb |
| Keeb kwm: Henan Tuam Tshoj | HS Code: 3824909990 |
Cov ntsiab lus khoom:
Ua HCL ， sulfuric acid, lossis dej raws li xov xwm, tuaj yeem ntsib nrog txhua hom iav frosted ua.
Tus me nyuam: 3-10 hnub tom qab tso nyiaj
Kev pabcuam: 1) Qhia dawb thev naus laus zis
2) Cov qauv pub dawb
Txaj Muag
Cim npe nrov: cov khoom siv rau iav etching, Tuam Tshoj, tuam ntxhab, cov muag khoom, nqe, yuav
