Yes Ningbo City, Zhejiang Province has a large permanent population and a large floating population. Both renting a house and decorating a new house need to be locked, and the demand for locking is large. Therefore, Luban can receive the order when he goes home to Ningbo, Zhejiang Province and locks it. Luban Jia Dao is a brand of Sacco Technology Co., Ltd., and it is a service supply chain platform focusing on home after-sales field.