Asambodo maka asambodo ngwaahịa mmanye nke China Onye nta akụkọ nyocha iko na-egbochi ọkụ Ụgwọ nke ụlọ ọrụ SGS-FENGYANG TRIUMPH SILICON MATERIALS CO., LTD. SGS-Qinhuangdao Scinan Specialty Glass Co.,Ltd.
