av噜噜噜噜,这里只有精品在线视频观看,国产日韩欧美一区,自拍偷拍中文字幕,aaaaa国产欧美一区二区,特别黄色片,97超碰资源网

Contact Us   
Search   

JC-ZW Outer Tapered type Roller Burnishing Tool

   Introduction

Applications: gas valve, valve sealing surface, joint sealing surface, valve body of gas valve and faucet sealing surface.

Minimum diameter of outer tapered rolling cutter is Φ4mm and conical angle/length can be customized.

   Product display