Zhejiang Gomelong Meter Co., Ltd.
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Gongzun Instrument (Zhejiang) Co., Ltd.
🇨🇳 China
2016101-200 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Own brand
Product customization
Description
Gongzun Instrument (Zhejiang) Co., Ltd. is a national high-tech enterprise established in 2016, specializing in the research, development, and manufacturing of intelligent gas measurement and management solutions. Headquartered in Hangzhou with production bases in Hangzhou and Shanghai, the company operates a modern 20,000-square-meter facility and employs over 200 personnel, including a significant R&D team that accounts for over 60% of its workforce. The company is a qualified supplier for major energy groups such as PetroChina and Xin'ao Group.
As a professional manufacturer and trading company, Gongzun Instrument offers a comprehensive portfolio of gas measurement hardware and software. Core products include intelligent flow meters (Gas Roots, Turbine, and Ultrasonic), diaphragm gas meters, and intelligent volume correctors. Their technological capabilities extend to IoT-enabled devices, such as data acquisition terminals, pressure monitoring terminals, and gas leakage monitoring devices. Furthermore, they provide end-to-end smart gas management platforms, including SCADA systems and GIS geographic information systems, to support the construction of national smart gas infrastructure.
The company holds numerous certifications, including CE, ATEX, MID, and OIML, ensuring compliance with international quality and safety standards. With over 40 patents and software copyrights, Gongzun Instrument emphasizes innovation through collaborations with prestigious institutions like Tongji University and Shanghai Jiaotong University. They offer OEM and ODM services, catering to industrial, commercial, and residential applications across the natural gas mining, transmission, and trade delivery sectors.
4G/Nb Gas Meter Gas Flow Meter IoT Data Acquisition Terminal$265
After-Paid G2.5/G4 Domesticsmart Ultrasonic Gas Meter$50
G2.5/G4 Household Digital Smart Ultrasonic Gas Meter$45
4G. Cat1 Remote Domestic Smart Gas Meter$35
Prepayment Domestic Gas Meter Aluminum G1.6/G2.5/G4/G6$35
4G/Nb Remote Control Domestic Smart Gas Meter G1.6/G2.5/G4/G6$18
GPRS Remote Domestic Smart Gas Meter G1.6/G2.5/G4/G6$18
Smart Ultrasonic Gas Meters Domestic Consumption Steel and Alumium 4G/Nb G1.6/G2.5/G4/G6/G10/G16/G25/G40$45
Digital Pressure and Temperature Gauge with Two Channels$285
Goldcard Smart Group Co., Ltd.
🇨🇳 China
1997201-300 peopleManufacturer/Trading Company/OTHEREstablished brand
OEM manufacturer
ODM manufacturer
Own brand
Shipments
173
Key customer
DIGITAL ENERGY
Key market
🇰🇿 Kazakhstan
Description
Goldcard Smart Group Co., Ltd. is a leading Chinese manufacturer and trading company based in Hangzhou, specializing in smart gas and water metering solutions. Established in 1997, the company has grown to become the number one smart gas meter manufacturer in China, with over 200 employees and a registered capital of 30 million USD. Goldcard offers a comprehensive range of products including IC card gas meters, smart diaphragm gas meters, IoT gas meters, domestic and industrial gas meters, as well as ultrasonic and electromagnetic water meters, and various flowmeters. They also provide complete gas metering management solutions. The company operates a factory with multiple production lines, advanced intelligent test equipment, and utilizes SMT processes, boasting a production capacity of 300,000 gauges. Goldcard is certified with ISO 9001 and ISO 14001, and in 2015, they obtained the OIML R137-2012 international certification from the Royal Netherlands Institute of Metrology NMi, marking their products as internationally recognized and their diaphragm gas meter technology as top-tier. They offer both ODM and OEM services and export to a wide range of international markets across North America, South America, Europe, Asia, Africa, and Oceania.
Multi Jet Dry Type Water Meter Brass Body Temperature Class T30 and T50 U0 D0 Accuracy Class 2 DN100
Multi Jet Dry Type Water Meter Brass Body Temperature Class T30 and T50 U0 D0 Accuracy Class 2 DN60
Multi Jet Dry Type Water Meter Brass Body Temperature Class T30 and T50 U0 D0 Accuracy Class 2 DN40
Multi Jet Dry Type Water Meter Brass Body Temperature Class T30 and T50 U0 D0 Accuracy Class 2 DN25
Multi Jet Dry Type Water Meter Brass Body Temperature Class T30 and T50 U0 D0 Accuracy Class 2 DN20
Single Jet Dry Type Water Meter Brass Body Temperature Class T30 U0 D0 Accuracy Class 2 DN100$50
Single Jet Dry Type Water Meter Brass Body Temperature Class T30 U0 D0 Accuracy Class 2 DN80$50
Single Jet Dry Type Water Meter Brass Body Temperature Class T30 U0 D0 Accuracy Class 2 DN60$50
Single Jet Dry Type Water Meter Brass Body Temperature Class T30 U0 D0 Accuracy Class 2 DN20$50
Tbqm-DN250-Pn63 Industrial and Commercial Tbqm Turbine Gas Flowmeter G65 to G4000
Tbqm-DN250-Pn40 Industrial and Commercial Tbqm Turbine Gas Flowmeter G65 to G4000
Tbqm-DN200-Class 300 Industrial and Commercial Tbqm Turbine Gas Flowmeter G65 to G4000
