Yog tias koj muaj lus nug txog hais lossis koom tes, thov koj xav email rau peb ntawmlh@ceramicstimes.comlossis siv daim ntawv nug nram qab no . Peb tus sawv cev muag muag yuav hu rau koj li ntawm 24 teev ua tsaug rau koj cov khoom .
Yog tias koj muaj lus nug txog hais lossis koom tes, thov koj xav email rau peb ntawmlh@ceramicstimes.comlossis siv daim ntawv nug nram qab no . Peb tus sawv cev muag muag yuav hu rau koj li ntawm 24 teev ua tsaug rau koj cov khoom .