... or samples 4.100% inspection Item NO. welded steel ringsMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool ... specification drawings, either small or large quantity is acceptable for us.We are sincerely expecting to cooperate with you. Production ... Instrumen1 SetsIf any questions,please feel free to contact us,it would be our great pleasure to be on ...