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Company Honors and Qualifications
Chengde Longzhida Intelligent Instruments and Meters Technology Co., Ltd. was formerly known as the “Chengde Radio Components Factory.” Established in 1965, it was a state-owned enterprise specializing in military industry. The company primarily manufactured the 2CZ50 series diodes, which were specifically designed for missile and anti-aircraft gun command systems. At one time, it made significant contributions to the production of high-end military products for the nation. Our diode products were used in both the first missile and the anti-aircraft gun command system of the Dongfanghong-1 satellite.
After its restructuring in 1997, the company was renamed Chengde Xinlong Electronics Co., Ltd. In 2008, it was further renamed Chengde Longzhida Intelligent Instruments and Meter Technology Co., Ltd. Today, it is a modern high-tech enterprise integrating energy-saving and water-saving product manufacturing, software development, integrated product and service solutions, and information services. The company provides specialized technical services and is recognized as a provincial-level high-tech enterprise and a provincial-level technology center in Hebei Province. It is also one of the enterprises in Chengde City holding “Computer Information System Integration Qualification.” Below are some of the company’s honors and qualifications.

Honor
Long Zhida
In June 2020, awarded as a “Contract-abiding and Creditworthy Enterprise” by Hebei Province.
In March 2018, it was honored with the title of “China National Brand” in the instrument and meter industry.
December 2019: Awarded as an AAAAA Integrity Enterprise in the Information Industry and Informatization of Hebei Province.
August 2020: Awarded as a Model Unit of the National “315 Integrity Ten-Thousand-Mile Journey”
November 2017: Awarded “Specialized, Fine, and New” Small and Medium-sized Enterprise in Hebei Province
Xinlong
2008.1 Received the title of “National Alliance for Quality, Integrity, and Trustworthiness”
In June 2008, the “Xinlong” Smart Mixing Valve Embedded Software was awarded the title of Outstanding Software Product in the 3rd Hebei Province Competition.
Qualifications
2019.10.21 Occupational Health and Safety Management System Certificate
2020.5.27 Quality Management System Certification Certificate
2021.10.21 Environmental Management System Compliance Certificate
2018.3.17 Certificate of Approval for the Form of Metering Device—Wireless Remote Water Meter
2018.4.18 Certificate of Approval for the Design Type of Measuring Instruments: IC Card Smart Water Meter, Vortex Cold Water Meter, and Ultrasonic Heat Meter
2021.5.14 Radio Transmitter Equipment Type Approval Certificate
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Today is a day that every Chinese person should solemnly remember—the 80th anniversary of the victory of the Chinese People’s War of Resistance Against Japanese Aggression and the World Anti-Fascist War.
On July 2, Chengde Longzhida Company held a meeting with the Sino-German Institute. After thorough discussions between the two sides, Mr. Bai, General Manager of Longzhida Company, and the faculty team from the Sino-German Institute reached a consensus: Longzhida Company officially entrusted the Sino-German Institute to carry out the design and R&D work for a new type of ultrasonic water meter.
On May 30, Longzhida Company successfully held an exceptionally meaningful event titled “Welcoming the Eighth ‘National Science and Technology Workers’ Day’: Promoting the Spirit of Scientists.”