... , Ceramic powder calcining, Earthenware, Building bricks, Roofing tiles, Kiln bricks, Art porcelain, Refractories,etc.900-1200 ... BQS Roofing tiles, Kiln bricks, Art porcelain, Refractories,Functional Ceramics ... Ferrites, Art porcelain, Sanitaryware, Tableware, Tiles, Refractories and kiln bricks, Tiles and brickes, etc.1300-1600DQSArt porcelain, Sanitaryware ...