Tengzhou Youlitu Seal Technology Co., Ltd. was established on September 8, 2010, with its registered address at Huangzhuang Village, Jiangtun Town, Tengzhou City, Zaozhuang City, Shandong Province. The legal representative is Li Yan. The company is engaged in the production and sale of rotating joints, metal hoses, mechanical seals, and compensators; sale of mining machinery and equipment, building materials, and hardware and electrical appliances; and the operation of import and export business related to the company's products. (As required by laws and regulations, please refer to the relevant provisions of the administrative approval file.)