The world best Copper fittings & Tube

HVAC TubeCopper Tube


Nungwon offers a complete line of Nitrogen charged tube for HVAC and Refrigeration applications. Our process ensures consistent cleanliness and quality that our customers have come to expect of all Nungwon tube products.

ASTM B280: Seamless Copper Tube for Air Conditioning and Refrigeration Field Service.

ASTM B743 specification applied. Seamless copper coil for Air Conditioning and Refrigeration Field Service Soft Coil (PCC) only

JIS H3300: Copper and copper alloy seamless pipes and tubes

AS/NZS1571: Seamless tubes for airconditioning and refrigeration

BS EN 12735: Seamless, round copper tubes for air-conditioniing and refrigeration