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Special device for rigid suspension is including pay-off car, drilling hole tool, cutting tool, conductor grease, grease pump, etc.
Laying -off car is used to make contact wire into aluminum profile ；anti-corrosion conductive oil is to prevent electrochemical corrosion between contact wire and aluminum alloy profile , and increases conducting ability between copper and aluminum; cutting tool is used for cutting aluminum profile on site； drilling tool is used for manufacturing hole to connect mid-connector in aluminum profile on site.
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