Consultation hotline
Social responsibility
Contact Us
Hotline: After-sales installation: 
Product inquiry purchase: After-sales maintenance: 
Address: Industry news
17
2021-04
Everyone uses this company’s感应 hand washers.
Release time:2021-04-17
Due to the drawbacks of traditional faucets, many places—such as shopping malls, office buildings, and homes—are now adopting infrared感应 hand-washing devices. The infrared感应 hand-washing devices manufactured by Chengde Longzhida Instrument Technology Co., Ltd. utilize the principle of infrared reflection to automatically control water flow. They have received high praise from buyers in the market. Let’s explore the reasons behind their popularity together.
17
2021-04
What should I do if my smart water meter won’t read?
Release time:2021-04-17
With the rapid advancement of technology, water meters have undergone a revolutionary transformation. Previously, water meters were cumbersome to operate and often provided inaccurate readings. Now, with the introduction of smart water meters, people are delighted by their user-friendly operation and quick payment features. However, many people still struggle to read their water meters correctly. Learning how to read your water meter yourself not only helps us conserve water and avoid waste but also enables us to keep track of our water bills more effectively. Below, we’ll show you the correct method for reading your water meter.
16
2021-04
Release time:2021-04-16
Mixing valves are widely purchased by many businesses because they are easy to adjust, simple to operate, and of high quality. Now, let me introduce to you the working principle of mixing valves.
16
2021-04
On Optoelectronic Direct-Reading Remote Water Meters
Release time:2021-04-16
The photoelectric direct-reading remote transmission water meter uses ultrasonic measurement and segmented calibration, offering high measurement accuracy and a low-pressure alarm function. Since it does not rely on magnetic sensing, it is immune to strong magnetic field attacks. The GSM wireless meter reading system facilitates field operations and boasts an extended transmission range. It also freezes consumption records and uploads historical data—up to 96 records can be uploaded daily.
15
2021-04
Why are wireless remote-read water meters popular with consumers?
Release time:2021-04-15
Recently, sales of wireless remote-read water meters in the market have been steadily increasing without showing any signs of decline. So, why are wireless remote-read water meters so popular? Let’s explore the clues behind this trend together.
15
2021-04
The working principle of ultrasonic heat meters
Release time:2021-04-15
Ultrasonic heat meters are favored by many due to their stable system, simple operation, and intelligent safety features. However, many users still lack a thorough understanding of ultrasonic heat meters. Here, we’ll introduce you to the relevant knowledge about ultrasonic heat 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