该产品钢琴二胡古筝钢琴琵琶小提琴通用。我厂位于北京中关村科技园区丰台园，西四环南路科丰桥北侧。主要产品有阿波罗系列钢琴、32键、37键口风琴、单音、重音、回声、半音阶等系列口琴、六孔、八孔系列竖笛、高级钢琴调修工具、电子校音器、节拍器等。　BeijingHuanyunApolloArsCo.,Ltd.issituatedattheFengtaiyuanofZhongguancunScienceandTechnologyPark,northsideofKefengBridge,XisihuananRoad.Themainproductsinclude:Apollopiano32-keyand37-keymelodicatheseriesofsingle-tone,multiple-tone,echo,andchromaticscalemouthorgans,theseriesof6-holeand8-holerecorders,high-qualitytoolsforpianoadjustmentandrepairs,electroniccalibrators,metronomes,etc.Thecenterofferstrainingcourseformusicteachingandfrequentlyholdsactivitiesofcompetitionsinperformanceofplayingmusicalinstrumentsalltheyearround.In2002thecentereversponsoredthefirstnationalcompetitionofperformanceinplayingmelodicaandhasachievedgreatsuccess.