Deqing Yehui Ceramic Parts Manufacture Co., Ltd o sebelisitse thepa e ncha ea ceramic e bitsoang "iolite", foromo ea molek'hule ea lik'hemik'hale ke Mg2Al4si8o24(oh)2, E sebelisoa haholo bakeng sa sistimi ea filthara. Nako ea poso: Dec-15-2023