DH2100-1D,DH2200-1D,DH2300-1D,DH2400-1D,无锡昌林，DH2500-1D,
DH2100-2D,DH2200-2D,DH2300-2D,DH2400-2D,DH2500-2D,5通先导型电磁阀
DH2100-3D,无锡昌林，DH2200-3D,DH2300-3D,DH2400-3D,DH2500-3D,
DH2100-4D,DH2200-4D,DH2300-4D,DH2400-4D,无锡昌林，DH2500-4D,
DH2100-1DZ,DH2200-1DZ,DH2300-1DZ,DH2400-1DZ,无锡昌林，DH2500-1DZ,
DH2100-2DZ,DH2200-2DZ,DH2300-2DZ,DH2400-2DZ,DH2500-2DZ,
DH2100-3DZ,无锡昌林，DH2200-3DZ,DH2300-3DZ,DH2400-3DZ,DH2500-3DZ,
DH2100-4DZ,DH2200-4DZ,DH2300-4DZ,DH2400-4DZ,无锡昌林，DH