In addition to its own factory, each jewelry exhibition hall will also purchase goods from outsourcing factories. In order to trace the source of the product, the number of the foreign cooperative factory will be given.

Sw is the factory seal code of Shenzhen Rich Jewelry. 6 stands for factory code.

SW6 means that the goods are delivered from Shenzhen Ruiqi Jewelry Exhibition Hall, and the goods are produced by the company's No.6 factory.