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Solid Quality

Enterprise tenet: Quality First;Fortune 500 Suppliers.

Research Team

2 PhDs, 2 Masters, and 6 Senior Engineers in the R&D team

About Long Dai

We Provide The Best Service for the Sewage Treatment Industry

An environmental service enterprise that integrates research and development, production, sales, installation, debugging, and after-sales service.

Environmental Protection R&D Center

Longdai Environmental Protection Group has continuously increased its investment in technology research and development, and has established a research and development center with Zhengzhou University to reserve professional technical strength.

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Build Quality

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Technology

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Industry Experience

What We Do

The Best Quality of water treatment equipment Manufacturing

Deeply cultivated in the water treatment equipment for over 15 years; Front-line employees have over 5-8 years of production experience.

Who We Are

The One Stop Solution for Sewage Treatment Industries

We have an advanced scientific research team, an experienced production team, a comprehensive engineering construction team, and a responsive after-sales management system. We have participated in over 1000 sewage treatment projects in engineering design.

Saving You Time
90%
Trusted Company
94%

Controling all the system with modern technology

Our Services

The Best System Services

Over 1000+experience in general contracting sewage projects, providing one-stop services from design, production, installation, and debugging.

Product Design

Product Design

The design team members are all from key universities in China, with years of experience in sewage treatment engineering design.

Product Production

Product Production

Professional paint workshop, advanced European imported production equipment, and all front-line employees hold professional skill certificates to work.

Product Installation

Product Installation

More than 10 years of installation experience in state-owned and listed enterprises.

Product Debugging

Product Debugging

A professional debugging team provides online voice/video guidance services 24 hours a day.

After-Sale Service

After-Sale Service

A professional after-sales technical team, 24-hour online service, and a one-year global warranty.

Professional Production Workshop
Professional Production Workshop

Over 20000 square meters of modern dust-free production workshop,A highly specialized paint workshop.

Imported Production Equipment
Imported Production Equipment

The professional production equipment imported from Europe makes the process more refined.

Equipment Installation
Equipment Installation

Over 50 countries and regions worldwide, 24-hour online installation guidance.

Equipment Debugging
Equipment Debugging

Over 8 years of experience in debugging over 1000 sewage projects.

Client Testimoni

We Are Trusted Over 20+ Countries Worldwide

Our customers and dealers have spread all over Russia, Türkiye, Peru, UK, Germany, Mongolia, Uzbekistan, Africa, Southeast Asia, the Middle East and other countries and regions.

Thank you for you quick response !The equipment is installedEverything seems to be good...

    Uwe Barthold
    Uwe Barthold

    End Customer

    It is a very good trade agreement for our company, my friend, wewill continue to cooperate as well.

      Wuillian FrankJimNez Vasquez
      Wuillian FrankJimNez Vasquez

      lmporter

      The equipment is good, the service is up to standard, the technologyhas won the reputation, the quality is trustworthy, and the servicehas won our applause. At present, the equipment is running well.

        Xu Peng Yu
        Xu Peng Yu

        Director(Sinopec Huizhou Branch)

        Our Blog

        Latest Blog & Articles

        The latest news about our company and our views on the industry