Introduction: A Hub of Activity in Chongqing
At Chongqing Tonghui Gas Co., Ltd., located in the Tongnan High-Tech Zone, the production lines are buzzing with activity. Trucks loaded with nitrous oxide (N₂O), carbon dioxide (CO₂), and other high-purity gases are being prepared for export to global markets. The company reported a 20% year-on-year increase in foreign trade orders in Q1 2024, with export revenue exceeding 30 million RMB (≈$4.2 million USD)—a testament to its growing influence in the international specialty gas sector.
Company Profile: Innovation at the Core
Founded in 2007, Tonghui Gas is a national high-tech enterprise specializing in R&D, production, sales, and logistics of industrial and electronic-grade gases. Over the years, the company has overcome critical technical challenges through innovation, significantly enhancing its product competitiveness.
Key Milestones:
2023 Production Volume: 600,000+ tons of gases, including electronic-grade N₂O, germane (GeH₄), ultra-high-purity ammonia (NH₃), and CO₂, exported to 10+ countries across Europe, North America, and Southeast Asia.
Export Revenue: Surpassed 100 million RMB (≈$14 million USD) in 2023.
Breakthrough Technology: Purity Redefined
After three years of R&D, Tonghui Gas successfully developed a proprietary ultra-pure nitrous oxide purification system, incorporating advanced water scrubbing, purification, distillation, and adsorption technologies. This breakthrough enabled the company to produce N₂O with purity exceeding 99.99%—a first in the industry.
R&D and Market Expansion
Annual R&D Investment: 30+ million RMB (≈$4.2 million USD), funding:
R&D Center & Quality Inspection Lab for electronic specialty gases.
Cutting-edge gas purification and mixed-gas formulation technologies.
Intellectual Property: 8 invention patents + 100+ utility model patents.
Product Portfolio Expansion: From industrial-grade CO₂ to food/electronic-grade CO₂, N₂O, GeH₄, NH₃, boron trichloride (BCl₃), and germanium tetrafluoride (GeF₄).
Operational Excellence: Smart Manufacturing
In 2023, Tonghui Gas invested 30 million RMB in:
Automated packaging lines and advanced gas analyzers.
Results: 20% higher productivity, 25% cost reduction, and tighter quality control.
Global Footprint and Future Vision
8 Production Bases across China, with top-tier CO₂ capacity in Western China and global-leading N₂O production scale.
Overseas Warehouses and active participation in international trade shows to bolster its global reputation.
Future Goals: Focus on high-value-added products, further penetrate high-end markets, and drive innovation-led growth to support China’s industrial advancement