Baoding iron ball

Baoding iron ball (commonly known as fitness ball) is not only an entertainment tool, but also has the function of mass watching fitness. The appearance of the ball is bright and shiny, and its internal structure is complex. There are balls in the ball, and there are two soundboards, commonly known as "one male and one female". When you hold it in your hand, the sound is different, high and low, crisp and pleasant, which can not only adjust your muscles and mind, but also cultivate your temperament in the lingering and pleasant sound of iron balls. In the old days, bureaucrats and businessmen who traveled to and from Baoding Yuzhong in Beijing had to buy this as a gift for relatives and friends or dignitaries. The current Baoding iron ball is developed after improvement and innovation on the basis of the ancient production technology of Ming and Qing Dynasties, with more refined technology and more scientific structure. Practice has proved that the fitness ball is not only a sports tool, but also has the function of conditioning the spirit and strengthening the bones and muscles, and has certain curative effects on some common diseases, such as blood pressure, coronary heart disease, neurasthenia, cervical spondylosis, scapulohumeral periarthritis, hemiplegia sequelae, finger dysfunction and so on.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)