• <sup id="g462y"><dl id="g462y"></dl></sup>
    <input id="g462y"></input>
  • <option id="g462y"><code id="g462y"></code></option>
  • <dfn id="g462y"><noscript id="g462y"></noscript></dfn>
    精品国产乱,成人国产亚洲欧美成人综合网,中文字幕一区av97,六间房9.1隐藏入口6.1.0.7更新内容在线,亚洲黄色精品,国产一区二区波多野结衣,【_undefined?-?P站免费版?-?永久免费的福利视频平台】https://17630364268551281430832.nx37lbnqvd.com/column/all/show?t=&tags=%E5%90%8E%E5%85%A5%E9%AA%91%E9%A9%AC&page=2&orderBy=createTime&expanded=1 ,亚洲AV成人精品一区二区三区在线播放
    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: 人妻日韩精品中文字幕| 津市市| 亚洲 日本 欧美 中文幕| 野外做受又硬又粗又大视频 | 久久婷婷久久一区二区三区| wwww免费网站| 俺去俺来也www色官网cms| 自拍偷拍综合第一页| 线在女熟产国| 国产乱子夫妻xx黑人xyx真爽| 在线熟女| 一卡二卡三卡无码| 国产亚洲精品欧洲在线观看 | 久久午夜夜伦鲁鲁片免费无码| 国产成人91| 亚洲成av人片在线播放无码| 久热久| 日本熟妇大乳| 八宿县| 国产乱码精品一区二区三区中文| 波多野结衣午夜影院| 亚洲国产精品一区第二页| 午夜在线a| 国产AV午夜影院婷婷| 人人妻人人做人人爽夜欢视频| 精品人妻伦九区久久aaa片69| 中文字幕日产av| 内射合集对白在线| 亚洲色a| 无码h片在线观看网站| 91丨露脸丨熟女精品| 亚洲成人A∨| 茄子av| 无码专区 人妻系列 在线| 韩国精品视频在线日韩| 大伊香蕉精品一区二区| 午夜福利一区二区在线看| 免费看无码网站成人A片| 91午夜福利| 九九国产视频| 男人靠女人免费视频网站|