Min. Order Reference FOB Price
100 Meters US$15.00-50.00 / Meter
Product Description
Technical standard of copper aluminum connecting pipe: (1)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); (2)Air tightness: using a high pressure for 4.0MPa pressure for 5 minutes, no ...