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CNG Station Equipment & Fuel Compressor Manufacturer

Delivering world-class CNG, LNG, and NGV refueling solutions with over decades of engineering excellence. Trusted by energy leaders across 50+ countries.

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China CNG Leader, World-Class Experience

Zigong Tongda Machinery Manufacturing Co., Ltd. is rooted in Zigong City — a region with the longest history of large-scale natural gas exploration and utilization in China. Natural gas was first used here over 1700 years ago to boil salt, making this area one of the earliest gas fields in the world.

The urban buses of Zigong and Chongqing adopted natural gas as early as the 1950s and 1960s. The predecessor of our company manufactured the first CNG compressor in China — a unit that is still operational today.

Today, we are a leading manufacturer of CNG station equipment, supplying reciprocating compressors, NGV refueling systems, SCADA controls, and turnkey solutions globally.

CNG Equipment Manufacturing Facility

Our Products

Engineered for reliability, efficiency, and safety — our full range of CNG and LNG equipment powers refueling stations and industrial applications worldwide.

Reciprocating Compressor

Reciprocating Piston Compressors

Power range from 55kW to 2000kW. Designed for natural gas, marsh gas, and special gases. Available in L, D, XD, HY, and M types.

  • • High-pressure output up to 250 bar
  • • Oil-lubricated & oil-free options
  • • Custom configurations available
SCADA System

CNG Refueling Station SCADA System

Supervisory Control and Data Acquisition system for full remote monitoring and control of CNG stations.

  • • Real-time data logging
  • • Remote diagnostics & alerts
  • • Integration with PLC & HMI
NGV Refueling System

NGV Refueling Systems

Complete refueling systems for CNG vehicles — fast-fill and time-fill options for fleets and public stations.

  • • Dispensers with IC card readers
  • • Safety interlocks & emergency stops
  • • CE & ISO certified
LNG Refueling Station

LNG Refueling Stations

Turnkey LNG stations with cryogenic pumps, storage tanks, and vaporizers for heavy-duty transport.

  • • Storage from 10,000L to 100,000L
  • • Auto-cooling & pressure control
  • • Skid-mounted or modular design
Industrial Compressor Image

Oil Field & Offshore Compressors

Robust gas compressors for oil field gas recovery and offshore platform applications.

  • • Explosion-proof design
  • • Corrosion-resistant materials
  • • API 618 & ISO 13631 compliant
Biogas Plant Image

Biogas Plant Gas Compressors

Specialized compressors for upgrading biogas to biomethane and injecting into gas grids.

  • • H2S & moisture resistant
  • • Low maintenance design
  • • Suitable for digester gas
LCNG Station Image

LCNG & LNG Fueling Stations

Dual-fuel stations offering both LNG and CNG with shared infrastructure.

  • • High-efficiency vaporizers
  • • Shared control systems
  • • Ideal for transit hubs
PRU Unit Image

Pressure Reducer Unit (PRU)

Regulates high-pressure gas from transmission lines to distribution levels.

  • • Automatic pressure control
  • • Redundant safety valves
  • • Remote monitoring ready
CNG Mother Station Image

CNG Mother & Daughter Stations

High-capacity mother stations for gas transport; daughter stations for local distribution.

  • • Up to 20,000 Nm³/day capacity
  • • Trailer loading systems
  • • Modular expansion options
Turnkey Solution Image

Financing & Turnkey Solutions

Full project lifecycle support — from feasibility to commissioning, including financing options.

  • • EPC project management
  • • Equipment + installation
  • • O&M training included

Our Applications

From urban transit to remote oil fields, our equipment powers diverse natural gas applications worldwide.

Standard CNG Stations

Take gas from pipeline, compress to 250 bar, and dispense to NGVs. Ideal for city fleets and public refueling.

CNG Mother Stations

High-volume compression for gas transport via tube trailers to remote daughter stations.

CNG Daughter Stations

Receive compressed gas from trailers and refuel vehicles without pipeline access.

Industrial Utilization

Natural gas compression for boilers, furnaces, and process heating in manufacturing.

Oil Field Gas Recovery

Capture and compress associated gas to reduce flaring and generate revenue.

Biogas Upgrading

Compress biogas from landfills or digesters for renewable energy use.

LNG Solutions

Liquefied Natural Gas (LNG) is produced by cooling purified natural gas to -162°C at atmospheric pressure. We provide complete LNG infrastructure for storage, transport, and refueling.

LNG Refueling Stations

For long-haul trucks, buses, and marine vessels requiring high energy density fuel.

LCNG Refueling Stations

Combine LNG storage with CNG dispensing — efficient for mixed fleets.

Small Capacity LNG Plants

Modular liquefaction units for remote gas monetization and peak shaving.

50+
Countries Served
2000kW
Max Compressor Power
-162°C
LNG Liquefaction Temp
3600
PSIG Storage Pressure

Frequently Asked Questions

What is CNG?

Compressed Natural Gas (CNG) is natural gas compressed to less than 1% of its volume at standard atmospheric pressure. It consists of ~95% methane and is stored at 3,600 PSIG.

Why Choose Natural Gas?

CNG is cleaner, safer, and more cost-effective than gasoline or diesel. It reduces CO2 emissions by up to 30% and particulate matter by 90%.

Do you offer turnkey projects?

Yes. We provide full EPC services including design, equipment supply, installation, commissioning, and operator training.

Can you assist with financing?

Yes. We help develop financing options tailored to your project, including equipment leasing and project loans.

Get in Touch

For inquiries, quotes, or technical support, contact our team directly.

Contact Information

Skype: willcng

Cell: +86-13908208503

Tel: +86-28-86022065

Email: [email protected]

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