中文字幕人妻中文av不卡专区,国产在线国偷精品产拍,免费能直接看黄的视频,色婷婷综合久久久久中文

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

色爱综合另类图片av| 热99re久久精品国产首页免费| 亚洲av综合久久99毛片| 久久 国产 尿 小便 嘘嘘| 日本精品啪啪一区二区三区| 人妻[21p]大胆| 免费a级作爱片免费观看中国| 无码人妻少妇精品无码专区漫画| 18禁裸乳无遮挡啪啪无码免费| 亚洲成a v人片在线观看| 亚洲欧美国产精品无码中文字| 亚洲熟妇丰满xxxxx| 99久久国产综合精品女图图等你 | 国产边打电话边被躁视频| 欧美熟妇色xxxx| 精品国产亚洲第一区二区三区| 亚洲国产精品无码久久久蜜芽| 国产精品视频超级碰| jizz中国jizz免费| 久久精品成人无码观看免费 | 久久精品青青草原伊人| 激情欧美日韩一区二区| H无遮挡H无码黄3D漫画| 日本喷奶水中文字幕视频| 野花社区免费观看| 久久精品成人无码观看免费| 手机在线中文字幕乱码| 成人e道1卡2卡3卡| 免费无码一区二区三区A片| 免费午夜无码片在线观看影院| 最近中文字幕高清字幕免费mv| 成人免费a级毛片| 爱妺妺国产av网站| 亚洲av无码精品色午夜app| 免费啪视频在线观看视频久| 久久精品国产亚洲av高清色欲| 亚洲欧美综合中文| 国产中文三级全黄| 亚洲av无码成人黄网站在线观看| 国产偷窥盗摄一区二区| 男女性色大片免费网站|