1：高价收购IC各种品牌芯片：内存IC，通信IC，手机IC，BGA芯片，裸片IC，单片机IC，电脑IC，蓝牙IC，南北桥，显卡芯片，IC，摄.像头IC，家电IC，汽车IC，IC等等IC。（长期高价收购ALTER，MAXIM美信，TEXASINSTRUMENTS德州，ATMEL爱特梅尔，FREESCALE飞思卡尔，NS国半，ADI，BROADCOM博通，XILINX赛灵思，MICRON,镁光，NVIDIA，SII精工，TOSHINA东芝，RENESAS瑞萨，NXP，ST，INFINEON英飞凌，SAMSUNG三星，HNNIX现代，INBOND，SPANSION飞索，CYPRESS,REALTEK，HITTITE，MICROCHIP，SUNPLUS，LATTICE，INTERSIL，ON，FAIRCHILD，海思，展讯，昂宝，等等品牌IC芯片电子料。）天津收购村田电容上门收购
2：回收内存芯片长期收购内存芯片，内存颗粒，内存条，FLASH芯片，闪存，显存，CF卡，SD卡，TF卡，MP3/MP4/MP5拆机FLASH，SSD固态硬盘，等等内存物料。（高价回收SAMSUNG三星内存芯片，HNNIX现代内存芯片，TOSHIBA东芝内存芯片，MICRON镁光内存芯片，INTEL英特内存芯片，SPANSION飞索内存芯片，尔必达内存芯片，INBOND华邦内存芯片等等品牌内存。）
3：回收三极管长期收购三极管，贴片三极管，可控硅，场效应管，MOS管等等物料。(FAIRCHILD仙童，TOSHIBA东芝，ON，ST，INFINEON英飞凌，NS国半，长电，IR等等品牌三极管。)天津收购村田电容上门收购
4：回收IG模块长期收购IG模块（富士，三菱，INFINEON英飞凌，西门康等等品牌IG模块。回收继电器长期收购继电器（欧姆龙，宏发，，泰科等等品牌继电器。
5：回收电容、电感、电阻、磁珠、晶振、滤波器长期回收电容，电感，电阻，磁珠，钽电容，电容，贴片电容，穿心电容等等。（村田，三星，安华高科，TDK电感，三和，X钽电容，KEMET基美钽电容，黑金刚，红宝石，三洋，等等品牌物料）
长期回收以下型号：
UPD78F0532AFC-AA1-A
UPD78F0532AGA-HAB-AX
UPD78F0532AGBA2-GAH-G
UPD78F0532AGBA-GAH-G
UPD78F0532AGB-GAH-AX
UPD78F0532AGCA2-GAL-G
UPD78F0532AGCA-GAL-G
UPD78F0532AGC-GAL-AX
UPD78F0532AGKA2-GAJ-G
UPD78F0532AGKA-GAJ-G
UPD78F0532AGK-GAJ-AX
UPD78F0532FC-AA1-A
UPD78F0532GA-9EV-A
UPD78F0532GB(A)-GAH-AX
UPD78F0532GB(A2)-GAH-AX
UPD78F0532GB-UEU-A
UPD78F0532GC(A)-GAL-AX
UPD78F0532GC(A2)-GAL-AX
UPD78F0532GC-UBS-A
UPD78F0532GK(A)-GAJ-AX
UPD78F0532GK(A2)-GAJ-AX
UPD78F0532GK-UET-A
UPD78F0533AFC-AA1-A
UPD78F0533AGA-HAB-AX
UPD78F0533AGBA2-GAH-G
UPD78F0533AGBA-GAH-G
UPD78F0533AGB-GAH-AX
UPD78F0533AGCA2-GAL-G
UPD78F0533AGCA-GAL-G
UPD78F0533AGC-GAL-AX
UPD78F0533AGKA2-GAJ-G
UPD78F0533AGKA-GAJ-G
UPD78F0533AGK-GAJ-AX
UPD78F0533FC-AA1-A
UPD78F0533GB(A)-GAH-AX
UPD78F0533GB(A2)-GAH-AX
UPD78F0533GC(A)-GAL-AX
UPD78F0533GC(A2)-GAL-AX
UPD78F0533GK(A)-GAJ-AX
UPD78F0533GK(A2)-GAJ-AX
UPD78F0533GK-UET-A
UPD78F0534AFC-AA1-A
UPD78F0534AGA-HAB-AX
UPD78F0534AGBA2-GAH-G
UPD78F0534AGBA-GAH-G
UPD78F0534AGB-GAH-AX
UPD78F0534AGCA2-GAL-G
UPD78F0534AGCA-GAL-G
UPD78F0534AGC-GAL-AX
UPD78F0534AGKA2-GAJ-G
UPD78F0534AGKA-GAJ-G
UPD78F0534AGK-GAJ-AX
UPD78F0534FC-AA1-A
UPD78F0534GB(A)-GAH-AX
UPD78F0534GB(A2)-GAH-AX
UPD78F0534GB-UEU-A
UPD78F0534GC(A)-GAL-AX
UPD78F0534GC(A2)-GAL-AX
UPD78F0534GK(A)-GAJ-AX
UPD78F0534GK(A2)-GAJ-AX
UPD78F0534GK-UET-A
UPD78F0535AFC-AA1-A
UPD78F0535AGA-HAB-AX
UPD78F0535AGBA2-GAH-G
UPD78F0535AGB-GAH-AX
UPD78F0535AGCA2-GAL-G
UPD78F0535AGCA-GAL-G
UPD78F0535AGC-GAL-AX
UPD78F0535AGKA2-GAJ-G
UPD78F0535AGK-GAJ-AX
UPD78F0535FC-AA1-A
UPD78F0535GA-9EV-A
UPD78F0535GB(A)-GAH-AX
UPD78F0535GB(A2)-GAH-AX
UPD78F0535GB-UEU-A
UPD78F0535GC(A)-GAL-AX
UPD78F0535GC(A2)-GAL-AX
UPD78F0535GC-UBS-A
UPD78F0535GK(A)-GAJ-AX
UPD78F0535GK(A2)-GAJ-AX
UPD78F0536AFC-AA1-A
UPD78F0536AGA-HAB-AX
UPD78F0536AGB(A)-GAH-AX
UPD78F0536AGBA2-GAH-G
UPD78F0536AGB-GAH-AX
UPD78F0536AGCA2-GAL-G
UPD78F0536AGCA-GAL-G
UPD78F0536AGC-GAL-AX
UPD78F0536AGKA2-GAJ-G
UPD78F0536AGKA-GAJ-G
UPD78F0536AGK-GAJ-AX
UPD78F0536FC-AA1-A
UPD78F0536GB(A)-GAH-AX
UPD78F0536GB(A2)-GAH-AX
UPD78F0536GB-UEU-A
UPD78F0536GC(A)-GAL-AX
UPD78F0536GC(A2)-GAL-AX
UPD78F0536GC-UBS-A
UPD78F0536GK(A)-GAJ-AX
UPD78F0536GK(A2)-GAJ-AX
UPD78F0537AFC-AA1-A
UPD78F0537AGA-HAB-AX
UPD78F0537AGBA-GAH-G
UPD78F0537AGB-GAH-AX
UPD78F0537AGCA2-GAL-G
UPD78F0537AGCA-GAL-G
UPD78F0537AGC-GAL-AX
UPD78F0537AGKA2-GAJ-G
UPD78F0537AGKA-GAJ-G
UPD78F0537AGK-GAJ-AX
UPD78F0537DAF1-AA2-A
UPD78F0537DAFC-AA1-A
UPD78F0537DAGA-HAB-AX
UPD78F0537DAGB-GAH-AX
UPD78F0537DAGC-GAL-AX
UPD78F0537DAGK-GAJ-AX
UPD78F0537DGB-UEU-A
UPD78F0537DGK-UET-A
UPD78F0537GA-9EV-A
UPD78F0537GB(A)-GAH-AX
UPD78F0537GB(A2)-GAH-AX
UPD78F0537GB-UEU-A
UPD78F0537GC(A)-GAL-AX
UPD78F0537GC(A2)-GAL-AX
UPD78F0537GC-UBS-A
UPD78F0537GK(A)-GAJ-AX
UPD78F0537GK(A2)-GAJ-AX
UPD78F0544AGCA2-GAD-G
UPD78F0544AGCA-GAD-G
UPD78F0544AGC-GAD-AX
UPD78F0544AGKA2-GAK-G
UPD78F0544AGKA-GAK-G
UPD78F0544AGK-GAK-AX
UPD78F0544GC(A)-GAD-AX
UPD78F0544GC(A2)-GAD-AX
UPD78F0544GK(A)-GAK-AX
UPD78F0544GK(A2)-GAK-AX
UPD78F0544GK-8EU-A
UPD78F0545AGC(A)-GAD-AX
UPD78F0545AGCA2-GAD-G
UPD78F0545AGCA-GAD-G
UPD78F0545AGC-GAD-AX
UPD78F0545AGKA2-GAK-G
UPD78F0545AGKA-GAK-G
UPD78F0545AGK-GAK-AX
UPD78F0545GC(A)-GAD-AX
UPD78F0545GC(A2)-GAD-AX
UPD78F0545GK(A)-GAK-AX
UPD78F0545GK(A2)-GAK-AX
UPD78F0545GK-8EU-A
UPD78F0546AGCA2-GAD-G
UPD78F0546AGCA-GAD-G
UPD78F0546AGC-GAD-AX
UPD78F0546AGKA2-GAK-G
UPD78F0546AGKA-GAK-G
UPD78F0546AGK-GAK-AX
UPD78F0546GC(A)-GAD-AX
UPD78F0546GC(A2)-GAD-AX
UPD78F0546GC-U-A
UPD78F0546GK(A)-GAK-AX
UPD78F0546GK(A2)-GAK-AX
UPD78F0547AGCA2-GAD-G
UPD78F0547AGCA-GAD-G
UPD78F0547AGC-GAD-AX
UPD78F0547AGKA2-GAK-G
UPD78F0547AGKA-GAK-G
UPD78F0547AGK-GAK-AX
UPD78F0547DAGC-GAD-AX
UPD78F0547DAGK-GAK-AX
UPD78F0547DGC-U-A
UPD78F0547DGK-8EU-A
UPD78F0547GC(A)-GAD-AX
UPD78F0547GC(A2)-GAD-AX
UPD78F0547GC-U-A
UPD78F0547GK(A)-GAK-AX
UPD78F0547GK(A2)-GAK-AX
UPD78F0547GK-8EU-A
UPD78F0550MA-FAA-AX
UPD78F0551MA-FAA-AX
UPD78F0552MA-FAA-AX
UPD78F0555MA-FAA-AX
UPD78F0556MA-FAA-AX
UPD78F0557MA-FAA-AX
UPD78F0560FC-2N2-A
UPD78F0560K8-3B4-AX
UPD78F0560MC-CAA-AX
UPD78F0561AFC(S)411-AA3-E2
UPD78F0561FC-2N2-A
UPD78F0561K8-3B4-AX
UPD78F0561MC-CAA-AX
UPD78F0562FC-2N2-A
UPD78F0562K8-3B4-AX
UPD78F0562MC-CAA-AX
UPD78F0565FC-2N2-A
UPD78F0565K8-3B4-AX
UPD78F0565MC-CAA-AX
UPD78F0566FC-2N2-A
UPD78F0566K8-3B4-AX
UPD78F0566MC-CAA-AX
UPD78F0567FC-2N2-A
UPD78F0567K8-3B4-AX
响应速度快，适合频繁启停的场合。混合式步进电机工作原理混合式步进电机的结构与反应式步进电机不同，反应式步进电机的定子与转子均为一体结构，而混合式电机的定子与转子都被分为下图所示的两段，极面上同样都分布有小齿。定子的两段齿槽不错位，上面布置有绕组。上所示为两相4对极电机，其中的l、7为A相绕组磁极，8为B相绕组磁极。每相的相邻磁极绕组绕向相反，以产生上图中x、y向视图中所示的闭合磁路。B相与A相的情况类似。