... Mirror 3.N0 limit on MOQ Stainless steel round pipe/tube connector 1. Material: stainless steel SUS304 or SUS3162. ... Stainless steel and Titanium),metal punch, colding rolling precision tube(tolerance for inner and outer diameter can be controlled ... 01mm), CNC machining, Al,Zinc alloy die casting, hardware welding, tube bending, water heater accessories, solar energy equipment accessories,anto parts ...