Beijing, September 23 (Youth.cn) - On September 21st, workers of Chongqing Tiange Ceramic co., ltd packed pickle jars they made. Through technological innovation and human resource introduction, Chongqing promotes ceramic industry upgrade these years. From traditional methods to creative production lines, from low-end products to high-end products, from handmade to automation, the local authority improves companies’ new quality production force while injecting more vitality to high quality development of local ceramic industry. Photo/VCG