欧美性受xxxx狂喷水-久久99精品国产麻豆婷婷-扒开双腿猛进入喷水高潮叫声-久久精品国产欧美日韩99热-久久久久人妻精品一区蜜桃网站

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： 亚洲高清专区日韩精品| 久久综合综合久久高清免费| 中文无码乱人伦中文视频在线v| 亚洲一卡2卡3卡4卡5卡乱码观看| 激情五月开心综合亚洲| 色在线 | 国产| 亚洲综合成人婷婷五月在线观看| 亚洲精品久久国产高清小说| 各种少妇正面着bbw撒尿视频| 亚洲欧洲av综合一区二区三区| 5d肉蒲团之性战奶水| 色偷偷av男人的天堂| 熟妇人妻无码中文字幕| 亚洲精品无码久久千人斩| 久久理伦片琪琪电影院| 亚洲成av人片在线观看麦芽| 老色鬼在线精品视频在线观看| 国内精品乱码卡一卡2卡麻豆| 岛国在线观看无码不卡| 久久www成人免费网站| 亚洲 暴爽 av人人爽日日碰| 四虎亚洲精品无码| 国产尤物在线视精品在亚洲| 99re视频热这里只有精品7| 亚洲另类激情综合偷自拍图| 女人喷潮完整视频| 中国大陆精品视频xxxx| 亚洲中文字幕av每天更新| 成人国产亚洲精品a区| 伊人久久大香线蕉av不卡| 黑人玩弄漂亮少妇高潮大叫| 成人免费无码大片a毛片户外| 国产午夜精华无码网站| 久久激情五月丁香伊人| 亚洲人成手机电影网站| av在线播放日韩亚洲欧我不卡| 亚洲精品久久久久午夜aⅴ| 狠狠色噜噜狠狠狠狠777米奇小说| 久久久久青草大香综合精品| 日韩人妻无码一区二区三区综合 | 国产精品成人一区二区不卡|