Real stone needle belongs to the rare resource, derived from the explosion caused by the meteorite impact on the earth surface 65 million years ago. Meteorite dust with rare components mingled and penetrated with unique components in local rocks and finally fell on the earth surface. After tens of millions of years of deposition, pumice was formed, which is what we now call Sibin stone needle.
The ancients believed that stone needle had strong blood activating ability. Modern research has also proven that the Sibin stone needle contains over thirty rare earth and trace elements that are beneficial to the human body, including strontium, titanium, chromium, manganese, zinc and etc. It contains far infrared rays and ultrasonic pulses that are beneficial to the human body, and long-term use can promote blood micro-circulation and dredge meridians.
In addition, the heat transfer of stone needle is also very good. Warm stone needle can better promote blood circulation and is the most one suitable for making scraping tools.
