discussions i've started |
| I work in a factory!It products the white corundum,Mg-Al spinel,calcined alumina and so on!Its name is Zhengzhou Yufa abrasives Co. Ltd.,and I introduce: Yufa Group,founged in 1983,is entitled as... | |
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| I'm engaged in sales work about the white corundum.My company is Zhengzhou Yufa abrasives Co. LTD.Our compang is the biggest supplier in the China!I have worked for one month.And now my main duty is... | |
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