About NOMA MASAO
About 神港精機
About ceramics
About boron nitride
About film
About cutting tool
About ion plating
About CBN (ceramic)
About hard coating
About Ceramic coating to metallic materials
About 環境
About 省エネ
About コーティング
About 現状
About 工具
About 金型
About BN
About 実用化