Na August 28, 2017, nke itoolu China si obere ụwa ụlọ ọrụ BBS ẹkenịmde ke mara mma baotou (shangri-la hotel), anyị ụlọ ọrụ na-arụsi ọrụ ike na-ekere òkè na ihe omume a, n'ihi na obere ụwa ụlọ ọrụ, karịsịa cerium oxide polishing ntụ ntụ nke superfine egweri na-enye kwekọrọ ekwekọ mmepụta akụrụngwa, obere ụwa polishing ntụ ntụ na usoro nke ihie, na-achọ ma D50-egweri fineness 1. maka mbelata nke 0.1 micron urughuru nke ọdịnaya ntụ ntụ, nke na-achọ ndị na-emepụta ngwá ọrụ iji meziwanye njikwa njikwa na usoro nke ịkụpịa na nkewa akụrụngwa, ụlọ ọrụ anyị siri ike dị ka mkpa nke ndị ahịa si dị, ọ bụghị na-agbaso nkwalite ma melite paramita teknụzụ metụtara ya, mepụtara otu nke dabara adaba maka mmepụta ogbe nke obere ntụ ntụ ntụ, superfine egweri akụrụngwa (lee n'okpuru), Aghọtara ndị ahịa ọhụrụ na ochie.
Oge nzipu: Ọgọst-28-2017