Consultation hotline
Industry application
Contact Us
Hotline: After-sales installation: 
Product inquiry purchase: After-sales maintenance: 
Address: Industry application
Shandong University of Technology Intelligent Toilet Flushing System
Shandong University of Technology Intelligent Toilet Flushing System
Chengde Longzhida enjoys a strong cooperative relationship with Shandong University of Technology, and its smart toilet flushers have received high praise from professionals at the university. The Chengde Longzhida smart flusher utilizes either the infrared reflection principle or the human body thermal infrared detection principle to automatically control water flow. It is easy to install, convenient to use, safe and reliable, boasts a long service life, and features intelligent automatic control—ultimately helping to conserve water. It represents a wise choice for public venues and campuses seeking to achieve energy savings, water conservation, and environmental protection.
Beijing University of Chinese Medicine Smart Card-Based Intelligent Shower System
Beijing University of Chinese Medicine Smart Card-Based Intelligent Shower System
The card-based smart shower produced by Chengde Longzhida Intelligent Instruments & Meters Technology Co., Ltd. has been successfully implemented at Beijing University of Chinese Medicine. The Chengde Longzhida card-based smart shower features high levels of automation and intelligence, stable performance, strong anti-interference capability, long service life, and easy installation. It enables automatic metering of water and electricity usage, encouraging users to proactively conserve water. The entire system consists of a contactless IC card, a controller, a management unit, and accompanying computer software. Widely used on campuses, the Longzhida card-based smart shower is an ideal solution for achieving automated management of public water resources.
Beijing Tsinghua University IC Card Smart Water Meter Project
Beijing Tsinghua University IC Card Smart Water Meter Project
Chengde Longzhida Intelligent Instruments & Meter Technology Co., Ltd. is a modern high-tech enterprise integrating manufacturing, software development, product integration, and information services. In recent years, the company has made substantial investments in talent recruitment and new product R&D. Guided by the scientific development outlook and a people-oriented philosophy, and in response to market demands, it has actively developed and successfully launched a series of non-contact IC card products—including IC-based water controllers, water meters, electricity meters, gas meters, and heat meters. The successful application of IC-card smart water meters, with Tsinghua University serving as a prime example, has firmly established Chengde Longzhida’s position in the smart water meter manufacturing industry. Chengde Longzhida boasts professional production capabilities.
Langfang Armed Police Academy Intelligent Mixing Valve Water Supply System
Langfang Armed Police Academy Intelligent Mixing Valve Water Supply System
Langfang Armed Police College and Chengde Longzhida Intelligent Instruments & Meter Technology Co., Ltd. completed the integrated project for the construction of an intelligent mixing-water supply system at Langfang Armed Police College in 2011. This project utilized our company’s intelligent mixing valve, which was developed in 1998. The mixing valve features constant temperature and pressure control, high precision, long service life, low cost, and guaranteed quality. It is also easy and quick to install. Currently, this product has passed provincial-level appraisal and has been granted one invention patent and one utility model patent. In 1999 and 2000, it consecutively received the National Excellent New Product Award, further enhancing the company’s economic benefits. The product has now been sold to numerous colleges and universities as well as public institutions across China.
Wuxi Jiangnan University IC Card Water Meter Project
Wuxi Jiangnan University IC Card Water Meter Project
The IC-card water meter project undertaken by Chengde Longzhida (Xinlong IoT Equipment Manufacturing Co., Ltd.) for Jiangnan University in Wuxi successfully completed the construction of Jiangnan University’s IC-card water metering management system in 2010, enabling the management department to achieve round-the-clock, all-around monitoring of water supply. Chengde Longzhida’s IC-card smart water meters offer accurate readings, automatic meter reading, guaranteed quality, and are convenient and efficient. Chengde Longzhida’s IC-card water meters have established a solid position in the field of smart meter applications and are widely used on campuses, successfully promoting energy and water conservation. Chengde Longzhida (formerly Xinlong Electronics) Intelligent Instruments & Meter Technology Co., Ltd. specializes in the production of smart meters. Chengde Longzhida...
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