Dema brand sliding contact line maintenance section is a device to disconnect the power supply of two adjacent sliding contact lines for maintenance or district power supply. It is a special device for two or more equipment, one for maintenance, and the other can still operate normally. Customer service commitment and measures: 1. The company sets up a technical and efficient after-sales service team to ensure timely and convenient service. 2. After sales service shall try to be available at any time, and arrive at the site within 12 hours in the city, 24 hours in the province and 48 hours outside the province after receiving the notice to solve the problems raised by the customer until the customer is satisfied. 3. After the warranty period, the safety slide wire provided shall be
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