<del id="tm5cs"><b id="tm5cs"></b></del>
    1. <cite id="tm5cs"><track id="tm5cs"><sup id="tm5cs"></sup></track></cite>
    2. <sub id="tm5cs"></sub>
      <cite id="tm5cs"><track id="tm5cs"></track></cite>

      ww污污污网站在线看com,日韩av一区二区高清不卡 ,久久精品色一情一乱一伦,精品无码专区久久久水蜜桃,国产成人午夜福利在线观看,免费观看全黄做爰大片,久久这里精品国产99丫E6,亚洲精品香蕉一区二区
      Service Hotline
      086-577-86923687
      Current Location:Home - News - Industry News
      Head types and production methods
      Release Time:2011-11-23  Views :
      Category Head
       
      Head Material can be divided into: plastic, stainless steel seal top, head products are mostly male, cone shell, adjustable sections, flat lid and tightening the mouth. Wherein the convex head (sometimes referred to by the shape classification) comprising: a hemispherical head, oval head, dished head and a spherical cap-shaped head.
      Head of manufacturing methods
      a) Small head: the overall shape;
      b) large and medium-sized head: first splicing molding - the most widely used, mainly for the requirements of the standard in terms of it;
      c) large head: because of factors such as transport and open file request to split forming, after welding together.
      Key Words : 封頭
      Products
      Elliptical head
      Elliptical head
      Butterfly head
      Butterfly head
      Spherical head spin edge
      Spherical head spin edge
      Flat Head
      Flat Head
      Spherical head
      Spherical head
      Bow bottom head
      Bow bottom head
      Conical head
      Conical head
      Spherical cap shaped head
      Spherical cap shaped head
      Insulation panel
      Insulation panel
      Expansion Joints
      Expansion Joints
      Jacket (cylinder) rotation side
      Jacket (cylinder) rotation side
      Manhole flange
      Manhole flange
      NAVIGATION
      Wenzhou Shangshang Metal Products Co., Ltd.
      Add : 208,Zhanhong Road,Dushan,Longwan CentralIndustry,Wenzhou
      Tel : 086-577-86923687 85981288  Fax : 086-577-86913687
      All Rights Reserved © 2016 Wenzhou Shangshang Metal Products Co., Ltd    Zhejiang ICP No. 08,005,782
      • Follow Us

        Follow Us

      主站蜘蛛池模板: 亚洲激情视频hd| 承德市| 日韩少妇激情一区二区| 中文无码网| 精品无码成人片一区二区| 中文字幕日韩一区二区不卡| 九九热精品免费视频| 亚洲伊人影院| 久热精品免费在线视频| 伊人久久大香线蕉av波多野结衣| 亚洲综合精品一区二区三区| 国产一区二区不卡91| 亚洲第一区欧美国产综合| 色午夜TV| 东京色| 爱情岛亚洲论坛成人网站| av在线播放国产一区| 乐昌市| 午夜福利一区二区三区在线观看| 国产日韩AV高潮在线| 云南省| 亚洲国产熟妇在线视频| 人妻无码日韩精品中文| 午夜成人无码免费看网站| 边添小泬边狠狠躁视频| 国产日韩AV高潮在线| 国产情侣激情在线对白| 日本人配种xxxx长视频| 亚洲av无码专区在线亚| 亚洲AVAV天堂Av在线播放| 国产不卡一区二区四区| 女人腿张开让男人桶爽| 91水蜜桃网站在线观看| 在线看国产精品自拍内射| 国产精品无码久久AV不卡| 亚洲一区二区三区播放在线| 成人1区| 精品少妇av蜜臀av| 亚洲熟少妇一区二区三区| 欧美性福网址| 国产蜜臀av在线一区尤物|