With the rapid development of China's natural gas industry, cities are becoming the primary consumers of gas, spreading across the vast land of our country. This庞大的 consumer base is attracting foreign manufacturers to engage in trade and establish factories in China, while domestic manufacturers are experiencing a surge in numbers. They are either establishing joint ventures with foreign companies or acting as agents for sales. The manufacturing level of technology and equipment has rapidly improved, yet there remains a significant gap compared to the overall domestic demand.
The following provides an overview of several manufacturers' gas pressure regulating and metering equipment, which includes liquefied petroleum gas, natural gas, and city gas, among others.

1. Building Pressure Regulator Box: Suitable for residential buildings and small public utility users; flow meters utilize diaphragm meters and turbine flow meters.

2. Gas Pressure Reducing Station: The box-type gas pressure reducing station represents the development trend of gas pressure reducing wheel equipment. It integrates gas pressure regulators, filters, safety accessories, control devices, and other components into one unit, featuring small footprint, good system coordination, comprehensive functions, and high reliability. It serves as the pressure-reducing device for the gas transmission and distribution pipeline network.

3. Gas Pressure Reducing and Measuring Station: The box-type gas pressure reducing and measuring station integrates the gas pressure reducing system, gas measuring system, and related electronic equipment into one unit. It features a small footprint, good system coordination, comprehensive functions, and high reliability. It is applicable to residential communities, public utility users, direct combustion equipment, and more.

4. Skid-mounted Gas Distribution System: The skid-mounted gas distribution system integrates numerous technologies and equipment, such as gas pretreatment, pressure regulation, flow measurement and adjustment, gas heating and odorization, remote control, and communication, to achieve the modularization of large-scale gas distribution facilities (such as city gate stations, large-scale gas distribution stations, and distribution stations).

5. LPG Equipment: Gasification Equipment - Includes electrically heated gasifiers, steam heated gasifiers, and hot water heated gasifiers; Gas Mixing Equipment - Used for mixing LPG with air, serving as backup or auxiliary gas sources for peak load management. Features include single-tube jet gas mixers, binary gas mixers, and mechanical high-pressure ratio gas mixers.

6. Various types of regulators: LPG regulators: for pressure regulation of liquefied petroleum gas and natural gas; Small regulators: suitable for medium and low-pressure gas pipelines, serving as regulators for small and medium-sized users.
Industrial and commercial pressure regulators: Suitable for small residential communities, general industrial and commercial users, and gas supply for direct-firing equipment.
Regulating Valves for Industrial and Distribution Systems: Suitable for large residential communities, industrial and commercial users, and gas distribution pipelines.
High-Pressure Regulators for Industrial and Distribution Systems: Designed for large industrial users and gas distribution systems.
Direct-Fired Equipment with Voltage Stabilizer: A pre-voltage stabilizer for direct-fired equipment used in low-pressure systems.

7. Gas Safety Equipment: Relief Valves: Used to maintain stable pipeline pressure and as a safety valve; Pressure Relief Cut-off Valves: For system safety of gas pipeline networks at various levels.

8. Gas Flow Measurement Devices: Waist Wheel Gas Flow Meters; Turbine Gas Flow Meters, etc.

9. Gas Flow Calibration Device: The calibration devices include sonic nozzle, bell jar, piston, and standard gauge types; they are also classified into fixed, station, and portable designs. These devices are used for laboratory flowmeter calibration, verification, or on-site calibration.

10. Gas transmission and distribution system accessories:
Ball Valves: Side-Opening, Top-Opening, Welded.
Gas Separation Equipment: Gas purification and treatment for natural gas fields, gas distribution systems, large-scale gas distribution stations, and gas turbine fuel supply.
Gas Filtration Units: 20μm, 5μm, and 1μm series for gas purification treatment in natural gas fields, gas transmission and distribution stations, and gas turbine fuel supply applications.
Gas Heating Equipment: Gas field, gas transmission and distribution systems, large-scale gas transmission and distribution stations, gas turbines, and fuel supply facilities for gas heating and processing.
Odorizer: An injection-type odor injection device that can automatically add odorant to the pipeline according to the data provided by the flow measurement system at a set ratio, or manually control the odorant injection.

11. Electronic Products for Gas Systems
Flow Corrector: Corrects the volume flow of gases for pressure and temperature, and records or alarms the status of relevant data.
Flow Computer: Data collection for gas transmission and distribution systems, gas volume flow correction, data recording and transmission, PLC control.
Remote Control Operation Unit (RTU): Data collection, processing, recording, transmission, calculation, logical operations, PLC control, analysis of remote communication status, and alarm.
SCADA Gas Distribution Monitoring System: On-site and remote data collection, recording, transmission, control, and management for gas distribution systems.