Product materials: 18NI environmentally friendly lead-free white copper, 15NI environmentally friendly lead-free white copper, 18NI white copper, 15NI white copper, stainless steel 303

Product materials: 18NI environmentally friendly lead-free white copper, 15NI environmentally friendly lead-free white copper, 18NI white copper, 15NI white copper, titanium, stainless steel 303