女女女女bbbbbb毛片在线_国产精品久久久久av_极品新婚夜少妇真紧_少妇被躁爽到高潮无码文

金剛石研磨膏是用金剛石微粉和相應(yīng)的配劑精細(xì)配制的一種研磨拋光材料，適用于硬質(zhì)合金、陶瓷、寶石、磁性材料以及模具、量具、刃具等高硬度材料加工和修磨。具有研磨效率高，加工表面質(zhì)量好，使用方便等特點(diǎn)。

包裝：管裝、袋裝、盒裝。

規(guī)格：5g、10g、30g、100g 等。

還可根據(jù)用戶要求定制，也可提供立方氮化硼研磨膏。

Diamond compound is a kind of material for polishing and lapping, which consists of diamond micro powder and relevant materials. It is suitable for machining and finishing cemented carbide, ceramic, gem, magnetic material, mould, gauge, cutting tool, etc. The compound has advantages of high efficiency, good surface quality and easy to use.

Package: in injector, bag or box Spect: 5g、10g、30g、100g and so on

We can also provide special products according to users' requirement and we can also provide CBN compound.