<small id="4ii0i"></small>
<sup id="4ii0i"></sup>
<tfoot id="4ii0i"><noscript id="4ii0i"></noscript></tfoot>
<nav id="4ii0i"></nav>
  • 欧美精品亚洲日韩a,2021国产在线观看,欧美日韩中文字幕在线视频,国产超碰人人一区二区三区,久久久久久久成人午夜精品福利,伊人精品久久久久中文字幕,久9视频这里只有精品8,国产精品黑色丝袜在线观看
    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: 东京热大乱w姦| 东京热黄网| 欧洲美妇乱人伦视频网站| 亚洲中文字幕日产喷水| 小13箩利洗澡无码视频网站| 精品国产品欧美日产在线| 亚洲一区在线日韩在线深爱| 欧美黑巨大videos精品| 好湿好爽好疼免费视频| 中文字幕人妻无码专区APP| 综合自拍亚洲综合图区高清| 国产网友愉拍精品视频| 国产在线一区二区在线视频| 日韩a一级理论电影| 国产1页| 忘忧草在线社区www中国中文| 亚洲ⅤA中文字幕无码| 亚洲国产综合无码一区二区bt下 | 熟女少妇高潮免费视频| 2018国产精产品在线不卡| 俄罗斯少妇性XXXX另类| 中国女人a毛片免费全部播放 | 成人亚洲网站www在线观看| 亚洲熟妇自偷自拍另欧美| 亚洲中文字幕国内精品| 少妇人妻无码永久免费视频| 五月天丁香社区| 亚洲国产高清在线视频| 污视频在线观看网站| 久热中文字幕在线观看| 久久午夜夜伦鲁鲁片免费无码| 日韩高清一区二区三区不卡| 青青青在线视频国产| 免费无码高h视频在线观看| 镇康县| 欲色影视天天一区二区三区色香欲| 五月天无码在线观看| 精品视频一区二区观看| 亚洲日本欧洲二区精品| 精品亚洲国产成人av在线时间短的| 三级网在线|