Ciqikou old county(former name as Longyin county),is located to the bank of Jialing river which 14 kilometers west of Chongqing. It has been famous as Ciqikou old county all over Sichuan since Ming and Qing dynasties. It was a bustling dock in the old times, the collecting and distributing center of the goods in the downstream of Jialingjiang. Its longtime and unchangeable strong and natural ancient sense which has been the microcosm and the symbol of Jiangzhoou ancient county in Chongqing. Ciqilkou is named by china. The local businessmen raised funds to establish a “Shu Ci company ” which was producing crafts and porcelains in Qingcaipo in 1918. The porcelain was excellent in quality and with varied assortments and was famous and sold in and out of province. Gradually ‘ Ciqikou’ was replaced by “ Longying county”. More than 20 points of relics of old ovens have been explored.