99.9% B target
0.00元
99.9% CoFeB target
99.9% BN target
99% B4C target
99.9%-99.99% B pellet
96%-99.99% B powder
99.9% B2O3 powder
99.5% BN powder
99.9% B4C powder
专业生产，品质保障
放心购物，急速配送
贴心服务，售后无忧
