Romon is a Chinese clothing manufacturer and the "U" in "Romon U-Park" is for "Universal".
The Yinzhou Coach Terminal (鄞州客运总站) on Ningbo Rail Transit's Line 3 is about 800m from Romon U-Park's entrance. Use Exit D and head east on Yinzhou Avenue (鄞州大道) ≈75 meters to the intersection of Dieyuan Road (蝶缘路). Head south ≈250m to Xiaogao East Road and take it east another ≈250m to the park entrance.
The Ningbo Railway Station (宁波火车站) has a stop on Ningbo Rail Transit's Line 2. To reach Romon U Park, take Line 2 to the Gulou Station (鼓楼站) and transfer to Line 1, then take it to the Sakura Park Station (樱花公园站) and transfer to Line 3. In 2020 Line 4 is scheduled to open and can be used in lieu of Line 2 and will shorten the trip by one transfer and three stops.