国产极品美女到高潮,久久综合av免费观看,亚洲va中文慕无码久久av,国产av熟女一区二区三区,午夜亚洲国产理论片_日本,国产偷录视频叫床高潮,一道本在线伊人蕉无码,国产作爱视频免费播放

Systems and Products

Efficient and energy-saving, safe and reliable, intelligent control, green and low-carbon

Home > Systems and Products > Ventilation > > Marine accessories
Business Consulting
  • Duct system

    Spiral ducts are divided into three categories based on their manufacturing materials: galvanized spiral ducts, stainless steel spiral ducts, and composite spiral ducts. Among them, stainless steel air ducts have strong applicability; According to its structure, it can be divided into non insulated spiral ducts and pre insulated spiral ducts.

Product Features

Product features:

Model Description:

R "Non adiabatic Spiral Duct

PR pre insulated spiral air duct

The inner diameter of the "80-600" air duct is 80-600mm

Product Features:

Spiral ducts are mainly used to connect the air circulation between two places, playing a role in ventilation and air permeability.

Product advantages:

Spiral ducts have the characteristics of low ventilation resistance and low ventilation noise; Good strength and rigidity; Suitable for various strong acid, alkali mist and other highly corrosive environments; We can design and customize various specifications of air ducts according to customer requirements;


Basic parameters:

Inner diameter: 80-600mm;


Application scenarios:

Spiral ducts are suitable for purification system return ducts, central air conditioning ducts, industrial supply and exhaust ventilation ducts, environmental protection system suction and exhaust ducts, etc; Widely used for ventilation pipes in various types of passenger ships, cargo ships, naval vessels, and offshore oil platforms.


Related products
System application
Online inquiry
  • *

    Name:

  • *

    Tel:

  • *

    Email:

  • *

    Your location:

  • Your company name:

  • *

    Verification code:

    Change
  • *

    Message:

Submit

華東

  • Shanghai Brander
  • Zhejiang Brander
  • Address:Room 1021-1022, Building1, No.100 Jinyu Road,Shanghai,China
  • Fax:+86-21-5890 6852
  • Tel:+86-137 0165 22771+86-21-5890 6856
  • Email:wang_wei@josun.cn
  • Address:Room 402, Building 6, Unit 1, Shuyuan Lane, Renmin North Road, Zhoushan City, Zhejiang Province
  • Fax:+86-135 6777 1890
  • Tel:+86-135 6777 1890
  • Email:xu_haijian@josun.cn

North China

  • Tianjin Brander
  • Address:Room 601,Building 10,Ziyunyuan,No.3 Xingang, Tanggu District Tianjin
  • Fax:+86-22-2530 0727
  • Tel:+86-138 2027 53881+86-22-2530 0727
  • Email:yuan_jianxin@josun.cn

South China

  • Guangzhou Brander
  • Address:Room 1902,Building A,NO,185,ChanggangMiddle Road,Haizhu District,Guangzhou
  • Fax:+86-20-3433 3496
  • Tel:+86-139 0240 2804/+86-20-3433 3496
  • Email:wang_aibing@josun.cn

Abroad

  • National Service Phone
  • Tel:
  • Email: commerce@josun.cn

Copyright 2017 JIANGSU JOSUN AIR CONDITIONER CO., LTD Copyright 蘇ICP備15011978號-1

About Us Contact Us

主站蜘蛛池模板: 老司机精品无码免费视频| 国产亚洲精品久久久久天堂软件| 黑人大战欲求不满人妻| 欧美国产国产综合视频| 国产美女遭强高潮免费| 免费的国产成人av网站装睡的| 国产成人精品日本亚洲77美色 | 亚洲a∨国产高清av手机在线| 亚洲性夜夜综合久久7777| 天天澡夜夜澡狠狠久久| 国产美女露脸口爆吞精| 亚洲一区二区经典在线播放| 热久久国产欧美一区二区精品| 无码一卡二卡三卡四卡| 国产在线乱码一区二区三区| 国产精品自在拍首页视频8| 起碰97在线视频国产| 99久久亚洲综合精品成人| 无码熟妇人妻av在线网站| 亚洲国产精品线久久| 99成人国产综合久久精品| 日韩一区二区三区无码免费视频 | 无码专区6080yy国产电影| 无码午夜福利视频一区| 久久www免费人成一看片| 成年午夜免费韩国做受视频| 综合偷自拍亚洲乱中文字幕| 成人网站国产在线视频内射视频| 午夜无码成人免费视频| 国产精品福利视频萌白酱| 国产美女遭强被高潮网站| 亚洲国产日韩a在线乱码| 国产精品久久自在自线青柠| 天天爽天天狠久久久综合麻豆| 成人aⅴ综合视频国产| 国产剧情无码播放在线观看| 久久精品国产只有精品66| 国产精品一区二区香蕉| 国产精品女上位好爽在线| 人妻少妇heyzo无码专区| 国产人妻无码一区无|