性无码免费一区二区三区在线-无码中字出轨中文人妻中文中-女子spa高潮呻吟抽搐-风韵饥渴少妇在线观看-亚洲精品无码ma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： 九九精品超级碰视频| 久热综合在线亚洲精品| 国产色无码精品视频国产| 亚洲熟妇无码av在| 国产av久久人人澡人人爱| 日韩精品免费无码专区| 日韩一区二区在线观看视频| 国产成人av综合久久| 亚洲一本到无码av中文字幕| 亚洲v欧美v日韩v国产v| 欧美亚洲色综久久精品国产| 久久久综合九色合综国产精品| 无码天堂亚洲国产av| 欧美性色19p| 女人的精水喷出来视频| 免费无码成人av在线播| 成在人线av无码免观看麻豆| 中文字幕乱码亚洲无线码| 野外性史欧美k8播放| 99久久国产福利自产拍| 欧洲亚洲日韩性无码专区| 国产成人亚洲综合网色欲网久下载| 日韩欧美亚洲国产精品字幕久久久 | 久久久视频2019午夜福利| 欧美极品色午夜在线视频| 女人与拘做受全过程免费视频| 久久精品视频在线看99| 亚洲精品成人无码中文毛片| 精品国产第一国产综合精品| 久久久一本精品久久精品六六| 久久久www免费人成精品| 精品国偷自产在线| 一区二区av| 日韩人妻无码系列专区| 久久大香香蕉国产免费网动漫| 国产精品高清网站| 一边吃奶一边摸做爽视频| 亚洲最新中文字幕成人| 99香蕉国产精品偷在线观看 | 国产在线欧美日韩精品一区| 熟妇人妻一区二区三区四区|