中文日本亚洲欧洲免费|日本A∨码与亚洲|久久日韩一区二区三区四区|日韩精品视频观看一区二区久久|台湾黑色丝袜美女黄色电影|国产精品一区婷婷|A片免费a片草美女|黄片黄黄片黄片黄片色|丁香五月婷婷久久久|国产特级AAAAAA大片

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