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.
Build Quality
Technology
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.
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.
- Constant Improvement
- Commitment to Customers
- Best Quality You Can Get
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
The design team members are all from key universities in China, with years of experience in sewage treatment engineering design.
Product Production
Professional paint workshop, advanced European imported production equipment, and all front-line employees hold professional skill certificates to work.
Product Installation
More than 10 years of installation experience in state-owned and listed enterprises.
Product Debugging
A professional debugging team provides online voice/video guidance services 24 hours a day.
After-Sale Service
A professional after-sales technical team, 24-hour online service, and a one-year global warranty.
Over 20000 square meters of modern dust-free production workshop,A highly specialized paint workshop.
The professional production equipment imported from Europe makes the process more refined.
Over 50 countries and regions worldwide, 24-hour online installation guidance.
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.
End Customer
It is a very good trade agreement for our company, my friend, wewill continue to cooperate as well.
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.
Director(Sinopec Huizhou Branch)
Our Blog
Latest Blog & Articles
The latest news about our company and our views on the industry
The Basic Structure and Principle of Horizontal Spiral Centrifuge
The structure of the horizontal spiral centrifuge is horizontal, which is a settlement equipment that can be continuously operated...
2023 ECWATECH Exhibition in Russia
The 2023 ECWATECH Exhibition in Russia was a resounding success, attracting industry professionals and experts from around the world.
Yu qing County Sewage Treatment Plant
Yuqing County Sewage Treatment Plant Project of Guizhou Yuqing Water Investment Co., Ltd. has a treatment capacity of 10000m3/d,...
Thank you for you quick response !The equipment is installedEverything seems to be good...