Where is the second-hand market for used sewing machines in Ningbo?

Jiangbei Kongpu, Jiangbei Sanguantang, Shi Qi Wanguo Shopping Mall. Sewing machine is a machine that uses one or more sewing threads to form one or more stitches on sewing materials, so that one or more layers of sewing materials are interwoven or stitched. There are several second-hand sewing machine markets in Ningbo, mainly including Jiangbei Kongpu, Jiangbei Sanguantang and Shi Qi Wanguo Shopping Mall.