99.99% SiO target

99.99% Si3N4 target

99.9% Si3N4 target

99.9% SiC target

99.9% SiC pellet

99.99%-99.9999% SiO2 pellet

99.99% SiO2 target

 99.95% SiO

99.999% Si target 本征/N型/P型

99.999%(N型)-99.9999%(本征区熔) Si pellet bulk