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

阳城县| 松溪县| 锡林浩特市| 靖宇县| 南城县| 额敏县| 新田县| 鄂州市| 丰城市| 化州市| 搜索| 祁东县| 静海县| 广灵县| 龙里县| 罗山县| 项城市| 莱阳市| 神木县| 宁夏| 永川市| 馆陶县| 县级市| 保靖县| 纳雍县| 兴业县| 白玉县| 同江市| 满城县| 门源| 满城县| 高淳县| 阿坝| 东阿县| 丰镇市| 布尔津县| 孝感市| 都兰县| 嘉定区| 缙云县| 津南区|