01 / PRODUCTION
Automatic production line
Internationally advanced equipment and quality-testing procedures help maintain production control, while a tracing system monitors product quality throughout the process.
WHO WE ARE
Technical expertise backed by integrated operations
Changsha Carlwhip Metal Material Co., Ltd. is based in Changsha City, Hunan Province. Our factory is located in Quzhou, Zhejiang, a major center for China's fluorine chemical industry.
With more than 30 years of refrigerant operating experience, our technical, sales and operations teams serve customers in domestic and international markets. We integrate professional R&D, production and sales with annual throughput exceeding 100,000 tons.
30+ YearsRefrigerant experience
100,000+ TonsAnnual throughput
150+ CountriesGlobal partnerships
PRODUCTION & OPERATIONS
Quality control from the production line to the warehouse
Modern equipment, structured testing and traceable handling support safe, consistent and efficient supply.
02 / WAREHOUSING
Scientific warehouse management
Structured storage and inventory management improve safety, operating efficiency and cost control before products enter the supply chain.
12-1000 LB21 / B23 refillable cylinder range
DIVERSE CYLINDER SERIES
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Packaging for different products and markets
Carlwhip supplies disposable cylinders, B21 and B23 refillable cylinders in multiple pressure levels, and ISO tank solutions. Product and destination requirements determine the final package specification.
01Disposable cylindersMarket-specific certified formats for the United States, Europe and China.
02Refillable cylinders12-1000 L series with pressure levels selected for different refrigerants.
03Bulk supplyISO tank options for qualified products and shipment requirements.
CERTIFICATIONS & STANDARDS COMPLIANCE
Management systems and product standards working together
Certified management systems support quality, environmental stewardship and occupational health and safety across our operations.
Quality management certification supporting controlled and consistent operations.
Environmental management certification supporting responsible operating practices.
Occupational health and safety management certification for the workplace.
REFRIGERANT STANDARDS
Product designation, safety, purity and quality
Our refrigerant products adhere to ISO 817 for designation and safety classification and AHRI 700 for purity and quality specifications.
ISO 817AHRI 700Full traceability
CYLINDER STANDARDS
Market-specific packaging compliance
- DOT-39Disposable cylinders for the U.S. market
- EN ISO 11118Disposable cylinders for Europe
- GB/T 17268-2020Disposable cylinders for China
- TPED 2010/35/EUEuropean refillable cylinders with the π mark
- ISO 4706 / GB 5100Refillable cylinder standards
GLOBAL SUPPLY
Traceable from production to destination
Every product is manufactured, tested and marked for full traceability, helping support safety and regulatory acceptance wherever the cargo is destined.
Our team confirms refrigerant compatibility, cylinder format, certification and destination requirements for each order.
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