老子影院,色鬼在线亚洲,欧美黄图一区,木下凛子成人中文在线

Navigation

Products

We are committed to making technology improve people's lives

NEWS

Let's make the sky bluer,the water clearer,and the life better

Factors affecting the system operation of EDI wate...

Under the same operating current, as the conductivity of raw water increases, the removal rate of weak electrolyte by EDI decreases, and the conductivity of effluent water also increases. If the condu... 2020-12-23

ABOUT US

Zhejiang Dongda Environment Engineering Co., Ltd., established in 2010, is located in the West Economic Development Zone of Zhuji City, Zhejiang Province. The company covers an area of 53000 square meters, with a factory building area of more than 18000 square meters and a registered capital of 52.4 million yuan,is a national high-tech enterprise specializing in the R & D, production and sales of special polytetrafluoroethylene hollow fiber membrane, EDI (electrodeionization) ultra pure water equipment, whole house water purifier, fresh air purifier and other water treatment equipment. At the same time, it undertakes various sewage treatment and river ecological treatment projects, and has special qualifications for environmental protection engineering contracting, special design for water pollution control, general contracting for water pollution control and domestic sewage treatment.

MORE >>

CASES

Water Enviroment Treatment

Our advantage

We uphold: Customer-centric, Licheng and trustworthy attitude
  • Profession

    Professional and creative team
    More advanced equipment supporting

  • Quality

    Strict product quality inspection team
    Obtained various industry honor certificates

  • Service

    One-to-one service, one minute response
    Good service is our principle

  • Price

    Quality assurance, high cost performance
    Reasonable price and excellent value for money

Whatsapp Phone QR code

Telephone

0086-0575-87139000

Scan and follow us

欧美熟女乱伦视频| 精品三级91| 后入内射肉丝少妇| 天天日液夜| 色婷婷久久免费网站| 少妇被性高潮影院| 亚洲男女Av天堂| Japan 一区二区在线观看| 日本韩国人妻一区二区| 日本1区2区免费不卡视频| 天天摸天天爽69av一区二区| 男人日美女的白虎屄视频| 视频二区丰满| 超碰国产资源在线观看| 国产欧美视频第一页| 美女一片日黄女| 美女被猛操逼| 亚洲热图日韩综合欧美在线| 婷婷色色国产精品| 欧美另类国产在线| 欧美激情首页| 欧美日韩成人无码高清| 丈胆欧美B操B| 国产潮吹中出| 天天干天天爽欧美日韩一区二区三区| 丰满人妻熟妇乱又乱精品古代| 亚洲AV成人不卡电影在线| 激情黄色AV网站| 国产精品高潮| 亚洲欧美VR色区_第1集| 日本久久精品一区二区朝桐光| 欧美一区日韩二区三区| 麻豆91传媒一区二区三区四区五区| 操小穴穴美女| 日本少妇内射ⅩXxX| 亚洲丰满熟妇性交一二区| 中文字幕无码偷拍| 情欲色综合网| 插入人妻体内| 深爱激情五月超碰| 欧美成人福利在线|