精品熟女少妇av久久免费软件-日韩国产成人精品视频-日本不卡一区二区三区在线-日本强伦姧人妻久久影片-精品国产福利一区二区三区

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
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

主站蜘蛛池模板： 亚洲www永久成人网站| 国产精品美女被遭强扒开双腿| 国产永久免费高清在线观看| 亚洲欲色欲色xxxxx在线| 无套内射极品少妇chinese | 四虎精品寂寞少妇在线观看| 麻豆av一区二区三区久久| 玩弄人妻少妇老师美妇厨房| 蜜臀av福利无码一二三 | 色婷婷色综合激情国产日韩| 亚洲精品无码久久毛片波多野吉衣 | 亚洲国产精品成人久久久| 五月天天爽天天狠久久久综合| 国产欧美在线亚洲一区| 激情97综合亚洲色婷婷五| 亚洲国产果果在线播放在线| 国产白袜脚足j棉袜在线观看| 久久精品免费国产大片| 国产精品资源一区二区| 亚洲欧美人高清精品a∨| 一本精品中文字幕在线| 芙宁娜被?吸乳羞羞A片| 无码国产精品一区二区免费式影视| av无码免费无禁网站| 久久精品成人亚洲另类欧美| 日本二区三区欧美亚洲国产| 国产精品午夜福利麻豆| 国产亚洲精品久久777777| 国产一区二区三区四区五区加勒比| 国产精品乱码在线观看| 久久国产精品波多野结衣av| 国产午夜福利视频在线观看| 国产欧美久久一区二区三区| 99久久综合狠狠综合久久| 成人精品一区日本无码网站| 99欧美日本一区二区留学生| av毛片无码中文字幕不卡| 亚洲乱码国产乱码精品精 | 久久99精品久久久久久hb| 自拍偷自拍亚洲精品偷一| 少妇人妻av毛片在线看|