Jiangsu Jinling Sports Co., Ltd. is the drafting unit of national weightlifting equipment standards, the backbone enterprise supported by the General Administration of Sports of China, and the vice chairman unit of China Sporting Goods Federation. In 2008, the "Jinling" trademark was awarded the title of "China Famous Trademark", and the barbell sleeve and the smooth bar produced by it are matched by rolling bearings, which rotates flexibly, and the appearance is all chrome-plated, with a good feel and safe and reliable use.