Company Profile
Chongqing Tonghui Gas Co., Ltd. was established in 2007 and is headquartered in the Tongnan High-tech Zone of Chongqing City. The company specializes in the research, development, production, sales, and storage & transportation of specialty gases such as electronic-grade nitrous oxide, ultrapure ammonia, germane, and carbon dioxide; food-grade nitrous oxide, carbon dioxide, and nitrogen—used as food additives; medical-grade nitrous oxide and oxygen—used in the medical field; as well as bulk gases (oxygen, nitrogen, and argon) and related products. The company provides high-purity electronic gases for markets including semiconductors, LEDs, LCDs, and PVs; high-quality food additives for the food and beverage industry; and medical gases for the healthcare market. Its products are now available throughout China and in numerous countries and regions worldwide.
The company currently has 16 subsidiaries located across the southwest and northwest regions of China. It annually produces 1.1 million tons of liquid carbon dioxide, more than 30,000 cylinders of specialty gases—including high-purity, electronic-grade, standard, and mixed gases—5 tons of electronic-grade germane, 15,000 tons of ultra-pure ammonia, 200 tons of phosphine, 60,000 tons of electronic-grade nitrous oxide (N2O), and fills 400,000 gas cylinders per year. Additionally, it produces 30,000 Nm³/h of air separation products and 30,000 tons of dry ice annually. The company’s cryogenic liquid carbon dioxide storage tanks have a daily storage capacity of up to 10,000 tons, and it owns over 400 specialized tank trucks for transporting cryogenic liquids as well as dedicated vehicles for hazardous chemicals.
In 2017, the company was recognized as a High-Tech Enterprise. Currently, it has five high-tech enterprises, one “Little Giant” enterprise, three provincial-level specialized, refined, distinctive, and innovative enterprises, and one provincial-level major new product. The company holds over 200 patents. It has been successively honored as the Chongqing Municipal SME Technology R&D Center, the Chongqing Municipal Enterprise Technology Center, the Chongqing Municipal Demonstration Unit for Technological Innovation, and the Chongqing Municipal Intellectual Property Advantage Enterprise. The company has participated in the formulation of several national standards, including those for green carbon dioxide factories and high-purity carbon dioxide. It has received numerous awards, including the National Worker Pioneer Award, the National Model Employee Family Award, the Chongqing May Day Labor Award, the Advanced Grassroots Party Organization Award, the Advanced Grassroots Trade Union Organization Award, the Chongqing Demonstration Unit for Open and Democratic Factory Management, the Chongqing Model Employee Family Award, the Outstanding Enterprise in the Gas Industry during the 13th Five-Year Plan, and top 10 in China’s gas industry for carbon dioxide and electronic gases during the 13th Five-Year Plan. Additionally, the company has been recognized as one of the Top 50 Enterprises in China’s Gas Industry, an Empathetic Enterprise, a Tax Contribution Award winner, a Tax Credit Grade A enterprise, a Chongqing AAA-Level Enterprise for Harmonious Labor Relations, and one of the Top 100 Chongqing Private Enterprises in Social Responsibility. Chairman Huang Jiadou has been awarded the Chongqing May Day Labor Medal, the Chongqing Outstanding Private Entrepreneur, the Chongqing Model Worker, the Annual Charity Figure of Tongnan District, the Chongqing Charity Award, and the Advanced Grassroots People’s Congress Representative. He was also named an Influential Figure in the Gas Industry during the 13th Five-Year Plan by the China Industrial Gases Association. In 2022, the Huang Jiadou Innovation Studio was recognized as a Chongqing Model Worker Innovation Studio.
The company actively fulfills its social responsibilities, participating to the best of its ability in charitable and public welfare initiatives, using the fruits of its corporate development to give back to society and repay the people. Since its establishment, the company and its chairman personally have made donations—both monetary and in-kind—in a wide range of charitable activities, including tree planting and reforestation, sports development, support for lonely and elderly individuals, assistance to impoverished students, targeted poverty alleviation, poverty eradication efforts, public welfare programs for seniors, support for veterans of the War of Resistance Against Japan, care for children suffering from illness, aid to families in need, response to the COVID-19 pandemic, and relief efforts in disaster-stricken areas (such as the Wenchuan earthquake, Ya’an earthquake, Yiliang earthquake, Ludian earthquake, Tongnan 6.30 and 8.16 floods, and the Luding earthquake).
The company consistently upholds its corporate mission: “Dedicated to the development of comprehensive resource utilization, taking green and low-carbon technological innovation as our responsibility, and relentlessly striving to improve the human living environment and revitalize national industries.” Adhering to the development philosophy of “Using the best technology to produce the finest products that meet customer needs, and producing the greatest quantity of products at the lowest cost to contribute to society,” the company has earned the trust and positive reputation of a wide range of customers through high-quality products and professional services. The company has been honored by its partners with awards such as the “Outstanding Performance Award,” “Excellent Supplier,” and “Strategic Partner.”
A rational industrial layout ensures the continuous and stable supply of products; a comprehensive quality control system guarantees their outstanding quality; an efficient transportation network guarantees timely delivery; a customer-first service philosophy, numerous accolades, and a strong sense of social responsibility rooted in staying true to our original aspirations have all enabled the “Tonghui” brand to enjoy considerable recognition and a sterling reputation within the gas industry—not only across China but also among major global economies.
Today, Tonghui has made tremendous progress in both software and hardware development. In the coming historical opportunities, we will build on our solid foundation to expand our reach and engage in broader, deeper cooperation with our valued customers, jointly creating an even brighter future.