With the development of economy, the current field of heavy industry in our country, the development of economy and promote the development of the mining equipment; In the field of China’s current economic, headed by cone crusher equipment of a batch of mining machinery equipment is also received recognition, are popular with people, so these…

The root causes of minerals generate a magnetic substance is the result of an internal molecular or atomic electrons running. The formation of molecular motion of electrons circulation, thus generating a magnetic field. Electronic sports side stretch is orbiting around the nucleus; the second is the electronic spin of their own movement. Weak magnetic moment…