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

欧美日韩无痕在线| 黄色大片久久一| 久久青热国产| 精品人妻七区八区九| 嗯~啊太快了视频| 免费艹逼观看| 黄色AV免费在线上看| 亚洲视频1区2区| 成人色图大香蕉| 深夜一级A黄片| 中文人妻无码一区二区三| 囯产久久久久久久久久久| 操我 骚逼痒 操骚逼视频| 天天干天天拍天天爽| 污污污av大全| 亚洲自愉| 香蕉轻轻操婷婷| 中文字幕无码免费| 欧美日韩精品第一页第二页| 亚洲AV一`二、三区| 日韩久久久无码破解二区| 欧美精品刺激一区| 麻豆 精东 一区| 莜莜福利视频| 欧美 xxx高潮喷高清| 国产老熟女AVtv| 午夜激情视频网络在线观看| 午夜福利裏| 国产最黄色的三级片| 精品中文字幕久久中文| 久久人妻日韩av| wwwxxx在线观看| 残虐一区二区三区| 亚洲一区αV| 久久AV免费能看的网站| 欧美韩日影院| 美女自拍偷拍免费视频| 久久精品国产一区二少妇的逼逼| a√久久久| 日韩一区二区三区人妻系列| 亚洲最新综合色在线|