Consultation hotline
Social responsibility
Contact Us
Hotline: After-sales installation: 
Product inquiry purchase: After-sales maintenance: 
Address: Industry news
09
2021-06
How do smart water meters ensure accurate measurement?
Release time:2021-06-09
With the development of artificial intelligence, everyone loves products that are smart—convenient and practical. When it comes to smart water meters, people are increasingly focused on whether the metering is accurate.
08
2021-06
Why should you consider the service life when purchasing an ultrasonic water meter?
Release time:2021-06-08
There are many factors to consider when purchasing a water meter, such as its quality, installation, after-sales service, and most importantly, its service life. Everyone hopes that the water meter they install at home will last indefinitely—certainly nobody wants it to start malfunctioning after just a few days of use. Below, we’ll explain why you should take the service life into account when buying an ultrasonic water meter.
08
2021-06
What are the characteristics of rotary water meters?
Release time:2021-06-08
Rotary-wing water meters have long been widely used in our daily lives. However, many people don't fully understand what a rotary-wing water meter is. Below, we’ll briefly introduce the concept and key features of rotary-wing water meters.
07
2021-06
What kind of smart water meters are typically installed by water utilities?
Release time:2021-06-07
The water utility provides residents with water resources, ensuring adequate water supply for daily life, industry, and other sectors, and guaranteeing that water pressure and effluent quality meet the national “Hygiene Standards for Drinking Water.” As times advance and technology continues to evolve, let’s take a look at what kinds of water meters the water utility currently uses.
04
2021-06
Release time:2021-06-04
What’s the difference between ultrasonic water meters and ultrasonic flow meters? Many people can’t tell them apart. Below, we’ll clarify the differences between ultrasonic water meters and ultrasonic flow meters.
04
2021-06
What’s the difference between ultrasonic water meters and electromagnetic water meters?
Release time:2021-06-04
Electromagnetic water meters and ultrasonic water meters have consistently enjoyed strong sales in the market, yet many customers are unsure which one to choose. Below, we’ll take a closer look at the key differences between electromagnetic and ultrasonic water meters.
Contact Us
Add：No.3, longzhida Road, electronic industrial park, high tech Industrial Development Zone, Chengde City, Hebei Province
Hotline: +86-15930084101
After-sales installation: +86-314-7018122
Product inquiry purchase: +86-314-2078138
After-sales maintenance: +86-314-7018122
E-mail: 310540860@qq.com
Website: www.cdlong.com
Enter mobile website