... 102-5Product: 1800/month Application:a.Used as the basic material in the production of high-grade magnesium oxide in silicon steel ... c.Used as inorganic add type flame retardant,which has the function of inflaming retarding,smoke suppression,padding, etc.d. ... export" , and can directly manage export business;2,Do the export commodity inspection, customs declaration, and other services for customer;3,Do ...