Non - aero products : photoelectric products and electric illuminators ; industrial dust - removal equipment ; high chromium grinding ball ; tax - controlled refueling machine ; various kinds of dies and moulds , jigs and fixtures , cutters , measuring instruments , precision castings , pressure containers , etc , ; nf motorcycle series in over 50 varieties with different cylinder displacements more than 10 , such as 50 55 60 70 80 90 100 125 250 750ml ; 14 varieties of aero models and engines with cylinder displacements ranging from 1 . 5 to 5ml 非航空产品：光电产品，电光源设备，高铬球，以及各种模夹刀量具精密铸造压力容器等。还有南方50 55 60 70 80 90 100 125 250 750毫长等10余种排量50多个品种的摩托车产品排量为1 . 5 - 15毫升共14个品种的航模发动机和航模飞机。
