1.180 bending 2.pin -type 3.XY-022 Xuanyi 4.material:copper 5.use: ... round rods,hexagonal bar,According to GB3191 88 ZY12CZ profile.2. Surface with anti-oxidation, corrosion resisting, use oil 823, to ... ring choose type ZY-850 silicone rubber.4. The contact pin uses phosphor bronze which has high hardness, better elastic, the ... plates with silver or gold XY-022 Xuanyi 180 bending pin connector