In March 21, 2018, Andrey&,Eltsov and Denrs, the product manager of the EKF company of Russia, came to our department to examine the feed inspection, production process, product testing and other detail, Then, we carried out a more in-depth business negotiation with the Russian EKF company
MoreIn July 1, 2017, we took part in the meeting of the annual meeting of the new technology of power electronics and variable frequency power supply in 2017. The technical general workers of our department and the experts and professors of Shanghai Univer, Shenzhen Ho Wang, Zhuzhou middle car times and
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