Features: 1) Specification: O.D.1.0 - 30mm 2) Wall thickness: 0.1 - 2mm 3) Standard: GB/T1527-199,DIN7340 copper tube fittin Copper tubes bushing Brass cutting-tubes Tube spacers Features:1) name:rivets, tubular rivets, brass rivets, brass pins,2) material:brass, copper ,steel, aluminum 3) size: O.D 1.0mm- 20mm4) Technical Standard:DIN7340 tubular rivets and GB-975 rivets5) Management ...