Yuanfar held 2022 employee autumn training meetingIn order to further guide all employees to learn and inherit the spiritual connotation of China's excellent traditional culture.

Methamphetamine-methyl bromide is an organic compound with the structural formula CH3NH2. The boiling point is 87.8°C, and the melting point is -52°C. It can ignite spontaneously in contact with strong chlorine. Amine, and initiating monomethylamine to obtain methyl hydrolysis, and then through sepa

Dinitrogen tetroxide, chemical formula N2O4. Covalent compound, colorless gas or liquid, strong oxidant, toxic and corrosive. It is easily decomposed into a reddish-brown nitrogen dioxide gas, which has the toxicity of nerve anesthesia.