Newman looked at the address of the computer primary school textbook, what should he do? Yangtze river education can't be opened. I heard it was closed. No official website. I need it urgently. The model is 90C. I have been looking for it, especially regretting that I didn't download more last year! Newman plays with mobile phones, but Newman official website says that he is only producing hardware, and the system is not within their scope. I also can't figure out that if there is no Yangtze River network, Newman's point-reading machine production is not waste, and I don't know that he fell to the bottom without the responsibility of the manufacturer. Severely condemn this irresponsible cottage manufacturer.