Allows multiple vendors to sell the same product on the same product page. Each vendor can set his own price which shows with other vendors on the same product page
The Admin set the products which are being shared with all vendors so they will be able to add their own price
This is a feature in the Marketplace Multi-Vendor marketplace for Magento
For more information please check the product page https://www.cminds.com/ecommerce-extensions-store/magento-multi-vendor-marketplace/#description