亚洲第一成人网站在线播放,亚洲综合色女狼婷婷,精品美女视频在线免费看,在线播放小视频一区二区三区,国产又爽又黄又嫩又猛又粗视频,久久久久国色aV免费软件,亚洲中文字幕a级黄色

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

二连浩特市| 阿拉善右旗| 淮阳县| 常宁市| 大姚县| 宾阳县| 南华县| 建水县| 西吉县| 怀集县| 都昌县| 焦作市| 库车县| 长垣县| 铁岭市| 泰顺县| 通海县| 桐城市| 屯门区| 东光县| 中江县| 六枝特区| 西林县| 岑巩县| 宜黄县| 邢台县| 凤城市| 岫岩| 布尔津县| 鸡东县| 渝北区| 庐江县| 安新县| 山东省| 瑞丽市| 平定县| 乌拉特中旗| 仁化县| 白河县| 山阳县| 台湾省|