1. Check whether the coupling screws are tight
2. Regularly check whether the coupling rubber cover is aging and replace it in time
3. Update to the durable new material cover coupling type
Endereço : No.78, Bangtai Road, Qingmeng Zone, Quanzhou, Fujian, China
Telefone : 86-595-22216883
Whatsapp : 15905996312
E-mail : machine@hongancn.com
