High purity tin wire
             
                High purity copper wire
             
                High purity aluminum sheet 20x6x0.2
             
                High purity aluminum sheet 20x4x0.2
             
                8-ring aluminum ring
             
                5 turns of aluminum ring
             
                Ruibao ZJ-27-CF35 bare gauge
             
                Ruibao ZJ-12CF35 bare gauge
             
                Ruibao ZJ-10B hot cathode ionization gauge
             
                Ruibao ZJ-10B metal in-line hot cathode ionization gauge
             
                Ruibao ZJ-10B-KF40 bare gauge hot cathode ionization gauge
             
                Ruibao ZJ-10B-KF35 bare gauge hot cathode ionization gauge