Decathlon Xi Anxin jiamiao store According to relevant information, Decathlon Xi Anxin Jiamiao Store is the largest supermarket in Xi 'an with the largest number of things. Its address is on the east side of Xi 'an TV Tower, with large space, large shelves and complete things. Decathlon, as the largest sporting goods supermarket in the world, once swept the world with a discount model of "super square, super low price and super variety" which is different from traditional sporting goods stores.