1.100% leak test 2. small order accept 3. quick delivery time Ningbo Luhai Machinery Factory it's a leading custome made tube/pipe manufacturer in Ningbo China.We can make kinds of custome pipe parts such as:Tube bend parts, pipe bend parts,weld bend tube, tube fabrication, pipe fabrication,The parts used for automative , heat exchange,gas,cook application... tube bend parts, pipe bending parts, ...