Main products and grades as following:
EL DRIVER IC: SP422ACM, SP4403EM (HN Brand), SP4422ACN, SP4423CN, SP4403EU, IMP803LG, IMP525ESA, IMP560ESA
A/D CONVERTOR: ICL7106CPL, ICL7107CPL, ICL7106CM44, ICL7107CM44, ICL7135CPL, ICL7135EM 
LCD DRIVER: KS0063B, KS0065B, KS0066U, KS0070B
EL FLASH DRIVER IC: HN4002
LED FLASH DRIVER IC: HN1100, HN1200
LDO SERIES: LT1117, LM1117, LM2931, LP2950, LP2951, LT1083, LT1084, LT1085, LT1086
DC-DC STEP-DOWN: LM2575T-3.3, 5.0, 12, 15, ADJ. LM2575S-3.3, 5.0, 12, 15, ADJ
LM2576T-3.3, 5.0, 12, 15, ADJ. LM2576S-3.3, 5.0, 12, 15, ADJ
LM2576HVT-3.3, 5.0, 12, 15, ADJ. LM2576HVS-3.3, 5.0, 12, 15, ADJ
LM2596T-3.3, 5.0, 12, 15, ADJ. LM2596S-3.3, 5.0, 12, 15, ADJ
DC-DC STEP-UP: RH5RI, RH5RH, MC34063
uP MONITOR: HN1232, MAX1232, IMP1232, DSP1232, ADM1232, LTC1232, MIC1232, TC1232, etc.

                         HN705, MAX705, IMP705, DSP1705, ADM705, SP705, MIC705, etc.

                         HN706, MAX706, IMP706, DSP1706, ADM706, SP706, MIC706, etc.
USB POWER CONTROL SWITCH: MIC2526, LM3526
RS232, 485 DRIVER / RECEIVER: MAX232CPE, MAX232CSE, MAX232EPE, MAX232ESE, LT1081CN, LT1081CSW, ICL232CPE, ICL232CBE, ICL232IPE, ICL232IBE
MOTER CONTROL CIRCUIT: AN6651, AN6652
BRUSHLESS DC MOTOR CONTROLLER: MC33035P, MC33035DWSINGLE IGBT GATE DRIVER MC33153
AUTOMOTIVE WAISH WIPER TIMER: MC33197A
PHASE CONTROL IC : U2010B
POWER LOGIC 8-BIT SHIFT REGISTER: TPIC6B595
ADAPTIVE VARIABLE RELUCTANCE SENSOR AMPLIFIER:LM1815
EARTH LEAKAGE CURRENT DETECTOR: M54123, GL7101, SL7101N, SL7101D
RF IC: PW110, PW125, PW210 and PW250, AG503, NGA386, SGA4286, SGA4386, SGA4486, GALI-19, GALI-29, GALI-33, GALI-S66, ERA-33SM and HMC476;
PW350, PW370, PW410, PW450, PW510, PW550, PW570, AG604, AG402, AG403, SGA6489, GALI-1, GALI-2, GALI-3, GALI-21, GALI-39, HMC481, AD10000 and AP112;
PH230, AM1, AH110, SBB4089, GALI-5, GALI-51, HMC482, and HMC478;
PH430 and PH530, AH1, AH114, AH118, HMC454, RF3315
74LS series, 74AC series, 74HC series, 74VHC series
4000 series
LED Driver IC: IC for 1W Flash Light, MRI6 Lighting IC, Lighting, Back lighting of LCD
.