6 families.
According to a search on Dianping, there are six iron waist plate manufacturers in the country. Dao Wulong Technology Co., Ltd. is authentic. If you want to buy authentic products, you can buy them through the official flagship stores of JD.com and Tmall or go directly to the official website.
Iron waist plate is a trademark brand registered on the China Trademark Network by Qingdao Wulong Biotechnology Co., Ltd. on July 28, 2010. Product service scope, massage equipment, electrotherapy equipment, electronic acupuncture equipment, nursing equipment, bodybuilding massage equipment, physiotherapy equipment, bougie, instrument box for surgeons and doctors, medical equipment and instruments, medical equipment box.