<legend id="vyxzf"><code id="vyxzf"></code></legend><center id="vyxzf"><ins id="vyxzf"></ins></center>
  • <thead id="vyxzf"></thead>
    <dd id="vyxzf"></dd>
    1. <strong id="vyxzf"><ol id="vyxzf"></ol></strong>

    2. <mark id="vyxzf"></mark>
    3. <object id="vyxzf"></object><dd id="vyxzf"><object id="vyxzf"></object></dd>
      
      

      <font id="vyxzf"></font>

        <ins id="vyxzf"><nav id="vyxzf"><tt id="vyxzf"></tt></nav></ins>

          <strike id="vyxzf"></strike>
          1. <font id="vyxzf"></font>
                <th id="vyxzf"><object id="vyxzf"></object></th>
              1. About US

                rings


                outer diameter (mm)
                inner diameter (mm)
                rim height (mm)
                material
                technical conditions
                use
                600-3200
                450-2800
                80-300

                10-50#、50Mn、S48C、40Cr、
                42CrMo、
                42CrMo4、42CrMoA、
                50SiMn、35SiMn、
                35CrMo、
                50CrMoA、GCr15SiMn、
                5CrMnMo、15CrNi6,etc

                industry standards such as YB4068-91、GB/T 30895-2014、JB4726-2000、GJB2721A-2005、QMGB 469-2010、QMGB 470-2010、QMGB 404-2007, , manufacturer standards and technical requirements raised by the customers

                slewing bearing, railway transportation, port machinery, petroleum chemistry, ship building, aerospace and military defense, etc


                ? 无码中文字幕av免费放