公司主营数控机床的维修和销售，专业维修各种进口国产变频器。销售0~2000Hz河北科技大学中高变频器，各种变频器配件等。

Company based on the numerical control machine tool maintenance and sales, professional maintenance of various kinds of imported domestic inverter. Sales of 0-2000Hz in hebei university of science and technology of high frequency converter to all kinds of accessories, etc.