Q：Are you factory or trade company?A：We are factory and can provide OEM,ODM with your demand.Plz confirm our factory video. Q： when I can receive your quotation and detail information after send the enquiry?A：All your enquiry will be replied in 24hours.Q：What's your DC MCB rated current range?A：Firstly, all raw material we selected the high quality one.Secondly, our professional and skilful workers care every details in handling the producing.Thirdly, our quality control department specially responsible for quality checking in each process.Finally, our product strictly follow ISO9001 quality control system, all products must be tested after finished production.Q: What’s the difference between DC MCB and AC MCB?A: DC MCB function is the same as AC MCB. It’s difficult to interrupt and extinguish the arc in the DC circuit, so theconfiguration of the accessories of the same product is much higher than that of the AC model type.Q: How About the delivery term?A: At present,we dont make enough stock for all models. Plz confirm with salesman to get the accurate delivery term.