can any1 please suggest a pure vegetarian restaurant near landmark towers, dongsanhuan,chaoyang

Hi, Lotus in Moonlight Vegetarian Restaurant and Pure Lotus Vegetarian Restaurant are suggested for you. Both of them are located within 4km from the Landmark Tower.
Specific information about the restaurants can be found in the website:
https://www.travelchinaguide.com/cityguides/beijing/dinning/vegetarian.htm