Tsohuwar masana'antar sinadarai ta kasar Sin ta shiga wani mataki mai wadata a daular Song, Liao da Jin.Wuraren kiln a duk faɗin ƙasar, babu abin da ake kira cibiyar harbe-harbe, ƙasar tana da tsarin kiln takwas (tsarin kiln na Kogin Yangtze Valley, jian kiln s ...
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