Add：2 Shengtang International Logistics Park Center Avenue, Tangguantun Town, Jinghai District, Tianjin
1. the service phone is turned on 24 hours:
Service staff: Lu Yunliang 18514220678
Fan Changli 15122489780
Supervisor: Jiang Jisheng 13663151406
2. Arrive at the problem site within 6 hours after receiving the call.
3. solve the problem within 12 hours after arriving at the scene.
4. holidays do not rest, service every day throughout the year.