Txij lub Tsib Hlis 26 txog 28, 2021, peb lub tuam txhab tau koom nrog 19th Tuam Tshoj International Foundry Expo hauv Shanghai.Nyob rau hauv lub expo, ntau tus neeg muas zaub tuaj rau peb lub rooj muag zaub kom nkag siab txog cov txheej txheem ntawm precision casting thiab cov yam ntxwv ntawm cov khoom.Silica sol txheej txheem, peb muaj ntau yam stainless hlau zaub mov machinery, pum ...
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