Tuam Txhab Xov Xwm
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Lub luag haujlwm ntawm ntau yam ntxiv hauv txhuas alloy
Tooj liab (CU) thaum tooj liab (Cu) Txawm li cas los xij, qhov corrosion tsis kam txo thiab kub tawg yog nquag tshwm sim. Tooj liab (CU) ua tus neeg tawg txiv neej muaj tib cov nyhom ...Nyeem ntxiv -
XIM TXHUA YAM HLUB CROINTING!
Peb lub tuam txhab txaus siab tshaj tawm tias peb yuav koom nrog Ningbo tuag Casting Exception tau tsim cov khoom siv hluav taws xob tsim nyog thiab ruaj khov ntawm koj lub operat ...Nyeem ntxiv