精品久久久久久亚洲综合网,吃奶呻吟打开双腿做受动态图,亚洲色精品三区二区一区,久久精品国产一区二区三区不卡,无码AV免费永久免费永久专区,亚欧AV无码乱码在线观看性色,特别精品毛片免费观看,午夜精品久久久内射近拍高清,黄A无码片内射无码视频,国产乱子伦农村叉叉叉

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

News Up Next

Products

: Elliptical head

: Butterfly head

: Spherical head spin edge

: Flat Head

: Spherical head

: Bow bottom head

: Conical head

: Spherical cap shaped head

: Insulation panel

: Expansion Joints

: Jacket (cylinder) rotation side

: Manhole flange

Home Head Series Products News Parameter Company Profile Contact Us Company Culture

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

感谢您访问我们的网站，您可能还对以下资源感兴趣：

精品久久久久久亚洲综合网,吃奶呻吟打开双腿做受动态图,亚洲色精品三区二区一区,久久精品国产一区二区三区不卡,无码AV免费永久免费永久专区,亚欧AV无码乱码在线观看性色,特别精品毛片免费观看,午夜精品久久久内射近拍高清,黄A无码片内射无码视频,国产乱子伦农村叉叉叉