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guide and negotiate. for Insulation Copper Tube,Air Conditioning Copper Tube,Insulated Copper Tube Coil. The continual availability of significant grade merchandise in combination with our excellent pre- and after-sales support ensures strong competitiveness in an increasingly globalized market.
Insulated copper tube for refrigeration is used for supply of hot and cold tap water, and as refrigerant line in HVAC systems. Our copper tube has a feature of clean surface,bright finish,even structure,high precision size,welding easily, good shaping.The executive standard of the pancake coil is GB/T17791-2007,ASTMB280,JIS H3300.The executive standard of straight copper pipe is GB/T 17791-2007,ASTM B280,JIS H3300,ASTMB88.Welding point: no pores,cracks,slag,burrs and burn,not fusion,no obvious oxide film,no plug hole without significantly reduced(Φ6.3hole is larger than 3.0mm);Air tightness: using a high pressure for 4.0MPa pressure for 5 minutes, no leakage; Pressure: after the air tightness check is qualified, slowly press the pressure to 13MPa,keep for 1 minute, without any cracks ;Bending: The sample is bent into a curved core diameter of 2 times than the nominal diameter of the pipe, after bending 180 degrees, the pipe does not produce wrinkles and cracks; Tensile strength: The tensile strength is at 65-118mpa, the pull part is on the side of the aluminum pipe, and the weld is above 10mm; KTG: Shrink good, sealed accessories have been melted, completely wrapped in copper aluminum joints, the seal can not turn.
"Our business since its inception, usually regards product or service high-quality as organization life, continuously boost production technology, improve solution top quality and repeatedly strengthen business total top quality management, in strict accordance along with the national standard ISO 9001:2000 for Insulated copper tube for refrigeration. The product will supply to all over the world, such as: Comoros,Malawi,Czech Republic. By continuous innovation we will supply you with more valuable products and solutions and services and also make a contribution for the development of the automobile industry at home and abroad. Both domestic and foreign merchants are strongly welcomed to join us to grow together.
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