亚洲精品国产精品乱码不卡,好爽好紧好大的免费视频国产 ,天干天干夜天干天天爽,老熟妇乱子交视频一区

Service Hotline
086-577-86923687
Current Location:Home - News - Industry News
Different shapes and uses Head
Release Time:2011-11-08  Views :
Head is an important component petrochemical, food and other industries indispensable equipment, pressure vessels, the shape of the head has a spherical, oval, dish, of spherical, conical shell cover, such as several peaceful, stainless steel materials, called stainless steel head. The main equipment used in a variety of containers, such as storage tanks, heat exchangers, towers, reactors, boilers and separation equipment
 
Uses ◆ Head
● head cover is a pressure vessel, the pressure is a major part of the pressure vessel;
● Head quality is directly related to the pressure vessel of the long-term safe and reliable operation.
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

亚洲国产丝袜精品一区| 性一交一乱一伧国产女士spa | 国产精品久久久久av| 久久精品日韩av无码| 亚洲 欧美 中文 日韩aⅴ| 99在线精品国自产拍| 神马影院午夜dy888| 性欧美大战久久久久久久久| 日本阿v免费观看视频| 97精品久久久大香线焦| 亚洲午夜久久久影院伊人| 里番本子纯肉侵犯肉全彩无码| 国产午夜手机精彩视频| 亚洲中文字幕无码永久| 一本一本久久a久久精品综合不卡| 国产精品无码一区二区在线观一 | 亚洲精品久久久久国产剧8| 国产大片黄在线观看私人影院| 门国产乱子视频观看| 色欲av久久一区二区三区久| 性一交一乱一乱一视频 | 亚洲女人自熨在线视频| 中文综合在线观| 青草精品国产福利在线视频| 国产情侣草莓视频在线| 国内偷窥一区二区三区视频| 蜜桃臀av高潮无码| 亚洲欧美日韩综合一区二区| 国产卡1卡2卡3麻豆精品免费| 乱人伦人妻中文字幕无码久久网| 92国产精品午夜福利免费| 国模裸体无码xxxx视频| 国产喷水1区2区3区咪咪爱av| 奇米精品视频一区二区三区| 久爱无码精品免费视频在线观看| 97在线视频人妻无码| 天堂va欧美ⅴa亚洲va免费| 男男车车的车车网站w98免费| 综合在线视频精品专区| 天天上天天添天天爱少妇| 国产精品久久久久久久久鸭|