Chongqing Tonghui Gas Co., Ltd. is a high-tech enterprise specializing in the production, purification, and global distribution of food-grade, industrial, and electronic specialty gases. With its headquarters and manufacturing base in Chongqing, China, the company operates under stringent quality standards to serve critical industries including semiconductor manufacturing, healthcare, electronics, and food processing.
Company Background
Founded with the vision to lead China's specialty gas segment, Chongqing Tonghui Gas Co., Ltd. has built a state-of-the-art infrastructure and advanced R&D capabilities to supply high-purity and electronic-grade gases. Under the leadership of Huang Jiadou, the company has grown into a global exporter with clients across over 40 countries.
Core Business & Product Portfolio
Tonghui Gas offers a wide and diversified range of gases, cylinders, and accessories, categorized into the following product groups:
Food Grade Gases
- Liquid Carbon Dioxide
- Dry Ice
- Nitrous Oxide (N2O)
Bulk Industrial Gases
Specialty Gases
- Electronic Grade N2O, GeH4, SiH4, CO, HBr, HCl
- Methane (CH4), SF6, CF4, C4F8, C2F6
Ultra-Pure Gases
- High-Purity CO₂
- Electronic Grade Ammonia (NH3), Germane (GeH4), Nitrous Oxide (N2O)
Standard Gases
- Calibration Gases
- Custom Mixed Gases
Accessories
- Cream Chargers
- Custom-engineered Gas Cylinders
Unique Selling Proposition (USP)
Tonghui Gas’s core differentiators include:
- Ultra-high Purity Levels: Electronic-grade gases with purity of 99.999% or higher, compliant with semiconductor manufacturing requirements.
- Integrated Production: In-house synthesis, purification, and cylinder packaging ensure consistency and traceability.
- Cryogenic Logistics Expertise: Specialized handling of liquefied gases for food and medical industries.
- Custom Gas Blends: Tailored standard gases and calibration mixes for analytical and metrological use.
Financial Performance
While the company remains privately held and does not disclose exact revenue figures, trade intelligence reports estimate annual exports exceeding USD 10 million, with growing demand for electronic-grade gases and CO₂-based food processing gases in Asia and Europe contributing significantly to revenue growth.
Global Shipment Insights
According to data from Volza and ImportYeti, Tonghui Gas has:
- Completed over 1,500 international shipments in the last 3 years.
- Exported to countries including Germany, India, South Korea, USA, UAE, and Brazil.
- Maintained consistent supply contracts with semiconductor fabs, food and beverage MNCs, and scientific institutions.
The company’s high-volume export of N2O and CO₂ cylinders is particularly notable in both bulk and small-scale distribution formats.
Target Markets
Tonghui Gas serves the following sectors:
- Semiconductor and Microelectronics
- Food and Beverage Industry
- Medical and Dental Clinics
- Analytical Labs and Calibration Services
- Cryogenic Storage and Research Institutions
With global certifications, the company supplies to customers in Asia-Pacific, Europe, North America, and the Middle East.
Manufacturing and Technical Capabilities
Tonghui Gas’s production facility includes:
- Automated distillation and gas purification lines
- On-site gas mixing systems and custom blending labs
- Cryogenic tank storage and filling stations
- Cylinder degreasing and particle control workshops for electronic gases
The plant is capable of producing over 5,000 metric tons of specialty gases annually, with a daily cylinder filling capacity exceeding 2,000 units.
Certifications & Regulatory Compliance
Tonghui Gas holds multiple certifications:
- ISO 9001:2015 – Quality Management System
- ISO 14001:2015 – Environmental Management
- ISO 45001:2018 – Occupational Health & Safety
- GB/T 26572-2011 – Electronic Grade Gas Standards
- TUV and SGS tested cylinders and gases for international compliance
All food-grade gases are compliant with HACCP and FDA material compatibility standards.
Customer Testimonials
“The purity of Tonghui’s N2O was unmatched and passed all semiconductor-grade benchmarks in our R&D facility.”
— Procurement Head, Semiconductor Fab, South Korea
“We’ve relied on Tonghui’s food-grade CO₂ for years without a single supply chain issue. Excellent documentation and safety compliance.”
— Operations Manager, F&B Exporter, Germany
Key Achievements
- Top 10 Specialty Gas Exporter from China (Source: Volza, 2023)
- Supplier to 5 leading Asian semiconductor firms
- Developed proprietary GeH4 purification technology for low ppm impurity levels
- Introduced a global OEM cream charger line under the Rotass brand
- Featured exhibitor at SEMICON China, CPHI, and Gastech Expo
Chongqing Tonghui Gas Co., Ltd. continues to drive innovation and trust in the global specialty gas landscape, delivering high-purity, performance-driven gas solutions to precision-critical industries around the world.
