1, Bian Shi products have medical device licenses. Bian Shi belongs to the category of medical instruments of traditional Chinese medicine. Only the products approved by the Food and Drug Administration are genuine, and only when they act on the human body can they play a role in regulating diseases.

2. Crystalline particle size. Spin kerbstone has fine surface, high polishing degree and small mineral crystal size, about 0.03 mm Please read the test report of mineral crystal size clearly when buying.

3. Bian Shi Tongrentang. Tongrentang has been sold for almost ten years.

"Spinbao" brand Bian Shi products have achieved good sales performance and high reputation. Consumers should recognize the brand when buying.

4. Ultrasonic pulse. When Sibin Bian Shi rubs against human body, it will produce 3708 ultrasonic pulses with frequency range of (200-2000)kHz, which is much higher than other materials. This is why Bian Shi Scraping Board is more suitable for scraping. When buying, you should read the ultrasonic parameter test report of the product clearly.

5. Far infrared effect. Wearing or using bian stone can speed up the blood flow of human microcirculation by 20%, which is called activating qi and promoting blood circulation in Chinese medicine, and is interpreted as "far infrared phenomenon" in modern science. Therefore, bian stone with far infrared characteristics is a good bian stone.

I hope my answer can help you and be adopted!