Dear Mr Alibaba Supplier,I need a sample.firstIt is nice to write to you. This is GOPINATH from India. I do have a customer that is interested your 4k ultra hd led tv, curved tv, smart tv price.May I know more information about product such as:Display Format,Type,Max. Voltage,Do you have any quality assurance certificates?Hope you reply to all my questions so I could proceed with buying.SincerelyGOPINATHKolla Show More