国产在线拍揄自揄拍无码丨国产精品久久久久久久久久丨国产麻豆精品一区二区三区v视界丨成人无码影片精品久久久丨妓女爽爽爽爽爽妓女8888

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： 日韩综合夜夜香内射| 午夜精品射精入后重之免费观看| 久久九九av免费精品| 久久久www成人免费无遮挡大片| 少妇激情一区二区三区视频小说| 美女视频黄是免费| 老熟妇高潮喷了╳╳╳| 成熟女人牲交片免费观看视频| 久久永久免费人妻精品下载 | 国产欧美精品一区二区三区四区| 国产精品成人99一区无码| 伊人色综合久久天天人守人婷| 伊人久久大香线焦av综合影院| 亚洲视频在线观看2018| 97伦伦午夜电影理伦片| 无码日韩精品一区二区免费| 在线精品一区二区三区| 在教室伦流澡到高潮h麻豆| 亚洲国产欧美中文手机在线| 亚洲欧美一区二区成人片| 亚洲精品一区二区三区麻豆| 熟女无套高潮内谢吼叫免费| 最新在线精品国产福利| 草裙社区精品视频播放| 99精品视频九九精品视频| 亚洲欧洲日韩综合久久| 国产成人精品热玖玖玖| 国产自啪精品视频网站丝袜| 婷婷丁香六月激情综合啪| 99无码熟妇丰满人妻啪啪| 一个人看的www在线高清视频| 又污又爽又黄的网站| 亚洲精品国产自在久久| 国产精品资源一区二区| 国产97色在线 | 国产| 青娱国产区在线| 国产美女遭强被高潮网站| 国产成人综合在线观看不卡| 国产成人无码性教育视频| 欧美xxxxx精品| 黑人粗长大战亚洲女|