Mid-Century Rounded Expandable Dining Table (42"–80") | West Elm
Source DG Italian extendable style luxury white small modern marble round top dining table set with rotating centre for 4 6 to 8 chairs on m.alibaba.com
Kahomvis 74.8 in. Rectangle Light Gray Wood Extendable Dining Table with 4-Solid Rubberwood Legs (Seats-8) Sky-LKW1-003 - The Home Depot