


About Our Company



We provide customers with specialty gases, electronic gases, calibration gases, industrial gases, isotopes and other products
Product center
A professional production and export of industrial gases, special gases, electronic gases, medical gases and other products of the enterprise

Sulfur hexafluoride (SF6)
99.995%-99.999%

Ethylene (C2H4)
99.95%-99.9995%

Nitrogen trifluoride (NF3)
99.99%-99.999%

Ammonia (NH3)
99.9%-99.99999%



One-stop solution
CDHJ GAS has been committed to bringing satisfactory products and services to customers from all walks of life.
Wide range of gases products fully cover your needs.
More Services
Extensive Product Portfolio
With over one hundred kinds of products in various categories, including bulk gases, electronic special gases, standard gases, and isotopes, Chengdu Hongjin Chemical Co., Ltd offers a comprehensive range of gas products to cater to a wide spectrum of industries, from metal processing to aerospace and pharmaceutical production.
Customized Solutions
We provide different gas purity, cylinder standard, cylinder size, valve, etc according to the needs of different industries. Provide technical consultation and support for specific projects.
ISO Tank & Tube Trailer Rental Services
We offer ISO tank rental services with T50 and T75 specifications, available in both 20ft and 40ft sizes to meet various transportation needs. Additionally, we provide electronic gas tube trailer rentals, designed to accommodate the specific packaging and transportation requirements of different customers. 0
Global Certificates Support
We offer a wide range of cylinder certifications to meet the regulatory requirements of different countries, including DOT, TC, TPED, PED, KGS, and more. In addition, we provide Form E for ASEAN countries and can facilitate third-party testing reports from SGS. We also support other special certificates as required by specific countries.
Serving More Than 50+ Countries
As a pioneer in Southwest China, we not only occupy a leading position in the domestic market, but also have rich international experience. Our products have been exported to more than 50 countries and regions in Southeast Asia, Africa, North America, etc., and have been highly recognized by international customers. We are well aware of the special needs of various markets. With professional logistics support and flexible supply chain management, we ensure that every international order can be delivered efficiently and on time.

Quality & Customer Service Are Our Goal
We have advanced production technology and equipment to ensure high efficiency and high quality of gas production, purify gases to the levels required by our customers, 100% quality inspection before shipment, and provide detailed and exacting analytical reports. Customer service is our eternal goal. We provide customers with comprehensive technical support and after-sales service. From product selection, customized solutions to subsequent maintenance, we always focus on customer satisfaction. Through a professional team and a responsive service system, we are committed to establishing a long-term and stable partnership with each customer to promote the success and development of our customers.
Client Testimonials


