... ,stainless steel small tube is widely used in medical treatment, fiber optic, penmaking, electronic welding products, light cable ... ,stainless steel small tube is widely used in medical treatment, fiber optic, penmaking, electronic welding products, light cable ... S31803904L,etcTube types:seamless and weldedApplication:Used as medical treatment, fiber optic, pen-making, electronic welding products, light ...