Customs clearance knowledge training is open on Yuanfar companyOn the afternoon of June 9th, the risk Control Department of Yuanfar Company invited Yang Ling, general manager of Shaanxi Yinghe Group Company.
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