SF-1(DU)Oilless,Bearing,SF-2(DX)MarginalLubricatingBearing,JF-800BimetalBearing,JDBSolidLubricantEmbeddedBearingandsoon.

更新时间：2023-05-11

ZhejiangRhesentPrecisionMachineryCo.,Ltd,Westandforthedevelopmentandmanufactureself-lubricatingbearings,bronzebushingsandwearplates,includinggeneralizationandapplication.

更新时间：2023-05-05

　　慢性龈缘炎又称边缘性龈炎(marginalgingivitis)、单纯性龈炎(simplegingivitis)，病损主要位于游离龈和龈乳头，是牙龈病中最为常见者。本病遍及世界各地区、各种族，几乎每个人不同程度和范围在其一生中均可发生。

更新时间：2023-04-26

ZhejiangRhesentPrecisionMachineryCo.,Ltd,Westandforthedevelopmentandmanufactureself-lubricatingbearings,bronzebushingsandwearplates,includinggeneralizationandapplication.

更新时间：2023-04-22