We are a professional and lead manufaturer in prodcuing the copper tube,copper alloy tube,nickel alloy tube in ChinaHope you are going well.S.No Product Name 1 Copper Capillary Tubes(C12200) 2 Copper Tubes / Pipe(C12200,C12000,C17200) 3 Brass,Admiralty brass Tubes(C44300,C68700,C27200,C26000,etc) 4 Nickel and Nickel Alloy tubes,Plates(N02201,N04400,N06600,N08800,N06625,N08825) 5Cupro Nickel Tubes, Plates(C70400,C71500,C70600,C71640,etc) 6Finned Tubes / Condensation Tube Also we have the following certifications for our production line: ? German TUV and Norway DNV Certified? Pressure Vessel Component Certified? ISO ? 9001 / 14001? CCSC Certified. BV Marine Mode II certification (Applying stage)Should you have inquiry for above items, please don't hesitate to contact me.If it?s possible, please send us the details of your regular needs for our reference .