Rated load:2.5- 530KN Voltage range:0.4KV-750KV grading ring insulator fittings metal fittings Products range: end fittings of composite insulatorselectric power fittingsmetal parts of railroad electrification.End fittings types: ball&socket, clevis&tongue, socket clevis, pin type, post type , cross arm, and grading ring etc.Rated load: 2.5KN - 530KNVoltage range: 0.4KV-750KVProduction line: ...