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Non-Refillable Steel Cylinder for Refrigerant Gas R404A. Global Certification Compliance: Meets EN ISO11118, DOT-39, KGS, and GB standards for worldwide use. Extensive OEM/ODM Experience: Over 15 years of service with custom printing and design capabilities. High Production Capacity: Annual output exceeds 5,000,000 cylinders with 100% quality rate. Customizable Specifications: Available in various volumes (7.1L-22.4L) and thicknesses (1.0-1.5mm). Wide Application Range: Suitable for refrigerants, helium, and gases in chemical, medical, and industrial fields. Professional Engineering Team: Supported by 5 senior engineers and 39 technical personnel for quality assurance.