... 3) Standard: GB/T1527-199,DIN7340 copper tube fittin Copper tubes bushing Brass cutting-tubes Tube spacers Features:1) name:rivets, tubular ... , Brass Tubular Rivet, Brass Tube Products (tubular rivets,needle tube, pin connector) etc. The characteristics of our products are high precisionand ... Antenna, Electric Brush, Antenna, Electric Brush, etc. Copper tubes bushing Brass cutting-tubes Tube spacers