Chúfáng de zhìwùjià kěyǐ guà zài qiáng shàng jiéshěng kōngjiān.
Kitchen storage racks can be wall-mounted to save space.
Tips
usage
置物架 is the generic word for any open storage rack (kitchen, bathroom, balcony). For a bookshelf use 书架 (shūjià); for a wardrobe-style closed unit, 柜子 (guìzi). 置 (zhì) literally means 'to place / put down,' so 置物架 = 'place-things rack.'