... Contact Rivets, Bimetal Electrical Contact, Bi-metal & Solid Silver Tips, Tri-metal Electrical Contact, Copper & Brass Rivets,Brass ... sets for making Contact Rivet include Tri-metal rivet machine from Germany, Bi-compoundedrivet machine, Colored Microscope, 3D coordinator Apparatus, ... us. CONTACT PERSON:Mr.Jeeland YangSales DeptXiamen Jinbo Noble Metal Product Co., LtdNO.128, HongTangTou 1st Road, Tong ...