Not known Facts About Silicon Hexaboride
接受的付款货币:美元、欧元、日元、加元、澳元、港元、英镑、人民币、瑞士法郎;Spherical Niobium Powder Application Niobium is the lightest refractory metallic. It's the traits of higher melting stage, higher-temperature toughness and precise power, and no radioactivity. It's the popular thermal protection produc