Metalworking artist Cai Yishan, who created his own brand I-Shan in 2010 13, continued the ancient goldwork technique, and built the aesthetic ideas contained in the details of life into the jewelry creation of I-Shan13 in a minute. I-Shan 13, named after the name and birthday, each set of metalwork has its own number, representing its unique identity and value. Each piece is like a fairy tale, from the hand-painted illustration of Joan Tsai-san. Planted in the creation of metalwork, people are like being placed in the dream world. Through her delicate carvings and complicated hand-made, she creates beautiful ornaments with exquisite collections.