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。）宁波收购传感器上门收购
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。)宁波收购传感器上门收购
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：
UPD70F3367GJ(A)-GAE-AX
UPD70F3368GJ(A)-GAE-AX
UPD70F3368GJ(A)-UEN-A
UPD70F3370AM1GBA1-GAH-AX
UPD70F3370AM1GBA2-GAH-AX
UPD70F3370AM1GBA-GAH-AX
UPD70F3370AM2GBA1-GAH-AX
UPD70F3370AM2GBA2-GAH-AX
UPD70F3370AM2GBA-GAH-AX
UPD70F3370M1GBA1-GAH-AX
UPD70F3370M1GBA2-GAH-AX
UPD70F3370M1GBA-GAH-AX
UPD70F3370M2GBA1-GAH-AX
UPD70F3370M2GBA2-GAH-AX
UPD70F3370M2GBA-GAH-AX
UPD70F3371M1GBA1-GAH-AX
UPD70F3371M1GBA2-GAH-AX
UPD70F3371M1GBA-GAH-AX
UPD70F3371M2GBA1-GAH-AX
UPD70F3371M2GBA2-GAH-AX
UPD70F3371M2GBA-GAH-AX
UPD70F3372M1GKA1-GAK-AX
UPD70F3372M1GKA2-GAK-AX
UPD70F3372M1GKA-GAK-AX
UPD70F3372M2GKA1-GAK-AX
UPD70F3372M2GKA2-GAK-AX
UPD70F3372M2GKA-GAK-AX
UPD70F3373M1GKA1-GAK-AX
UPD70F3373M1GKA2-GAK-AX
UPD70F3373M1GKA-GAK-AX
UPD70F3373M2GKA1-GAK-AX
UPD70F3373M2GKA2-GAK-AX
UPD70F3373M2GKA-GAK-AX
UPD70F3374M1GCA1-UEU-AX
UPD70F3374M1GCA2-UEU-AX
UPD70F3374M1GCA-UEU-AX
UPD70F3374M2GCA1-UEU-AX
UPD70F3374M2GCA2-UEU-AX
UPD70F3374M2GCA-UEU-AX
UPD70F3375M1GCA1-UEU-AX
UPD70F3375M1GCA2-UEU-AX
UPD70F3375M1GCA-UEU-AX
UPD70F3375M2GCA1-UEU-AX
UPD70F3375M2GCA2-UEU-AX
UPD70F3375M2GCA-UEU-AX
UPD70F3376AM1GCA1-UEU-AX
UPD70F3376AM1GCA2-UEU-AX
UPD70F3376AM1GCA-UEU-AX
UPD70F3376AM2GCA1-UEU-AX
UPD70F3376AM2GCA2-UEU-AX
UPD70F3376AM2GCA-UEU-AX
UPD70F3376M1GCA1-UEU-AX
UPD70F3376M1GCA2-UEU-AX
UPD70F3376M1GCA-UEU-AX
UPD70F3376M2GCA1-UEU-AX
UPD70F3376M2GCA2-UEU-AX
UPD70F3376M2GCA-UEU-AX
UPD70F3377AM1GCA2-UEU-AX
UPD70F3377AM1GCA-UEU-AX
UPD70F3377AM2GCA1-UEU-AX
UPD70F3377AM2GCA2-UEU-AX
UPD70F3377AM2GCA-UEU-AX
UPD70F3377M1GCA1-UEU-AX
UPD70F3377M1GCA2-UEU-AX
UPD70F3377M1GCA-UEU-AX
UPD70F3377M2GCA1-UEU-AX
UPD70F3377M2GCA2-UEU-AX
UPD70F3377M2GCA-UEU-AX
UPD70F3378M1GJA1-GAE-AX
UPD70F3378M1GJA2-GAE-AX
UPD70F3378M1GJA-GAE-AX
UPD70F3378M2GJA2-GAE-AX
UPD70F3378M2GJA-GAE-AX
UPD70F3379M1GJA1-GAE-AX
UPD70F3379M1GJA2-GAE-AX
UPD70F3379M1GJA-GAE-AX
UPD70F3379M2GJA1-GAE-AX
UPD70F3379M2GJA2-GAE-AX
UPD70F3379M2GJA-GAE-AX
UPD70F3380M1GJA1-GAE-AX
UPD70F3380M1GJA2-GAE-AX
UPD70F3380M1GJA-GAE-AX
UPD70F3380M2GJA1-GAE-AX
UPD70F3380M2GJA2-GAE-AX
UPD70F3380M2GJA-GAE-AX
UPD70F3381M1GJA1-GAE-AX
UPD70F3381M1GJA2-GAE-AX
UPD70F3381M1GJA-GAE-AX
UPD70F3381M2GJA1-GAE-AX
UPD70F3381M2GJA2-GAE-AX
UPD70F3381M2GJA-GAE-AX
UPD70F3382M1GJA1-GAE-AX
UPD70F3382M1GJA2-GAE-AX
UPD70F3382M1GJA-GAE-AX
UPD70F3382M2GJA1-GAE-AX
UPD70F3382M2GJA2-GAE-AX
UPD70F3382M2GJA-GAE-AX
UPD70F3383M1GMA1-GAR-AX
UPD70F3383M1GMA2-GAR-AX
UPD70F3383M1GMA-GAR-AX
UPD70F3383M2GMA1-GAR-AX
UPD70F3383M2GMA2-GAR-AX
UPD70F3383M2GMA-GAR-AX
UPD70F3384M1GMA1-GAR-AX
UPD70F3384M1GMA2-GAR-AX
UPD70F3384M1GMA-GAR-AX
UPD70F3384M2GMA1-GAR-AX
UPD70F3384M2GMA2-GAR-AX
UPD70F3384M2GMA-GAR-AX
UPD70F3385M1GMA1-GAR-AX
UPD70F3385M1GMA2-GAR-AX
UPD70F3385M1GMA-GAR-AX
UPD70F3385M2GMA1-GAR-AX
UPD70F3385M2GMA2-GAR-AX
UPD70F3385M2GMA-GAR-AX
UPD70F3413GC(A2)-FAB-AX
UPD70F3414GC(A2)-FAB-AX
UPD70F3416GC(A)-UEU-AX
UPD70F3421GJ(A)-GAE-AX
UPD70F3422GJ(A)-GAE-AX
UPD70F3423GJ(A)-GAE-AX
UPD70F3424GJ(A)-GAE-AX
UPD70F3425GJ(A)-GAE-AX
UPD70F3426AGJ(A)-GAE-AX
UPD70F3426GJ(A)-GAE-AX
UPD70F3441F1(A2)-JA1-A
UPD70F3451GC-U-A
UPD70F3452GC-U-A
UPD70F3453GC-8EA-A
UPD70F3454F1-DA9-A
UPD70F3454GC-8EA-A
UPD70F3454GF-GAS-AX
UPD70F3474AGJA-GAE-G
UPD70F3474GJA-GAE-G
UPD70F3475AGJA-GAE-G
UPD70F3475GJA-GAE-G
UPD70F3476AGJA-GAE-G
UPD70F3476GJA-GAE-G
UPD70F3477AGJA-GAE-G
UPD70F3477GJA-GAE-G
UPD70F3478AGJA-GAE-G
UPD70F3478GJA-GAE-G
UPD70F3479AGJA-GAE-G
UPD70F3479GJA-GAE-G
UPD70F3480AGMA-GAR-G
UPD70F3480GMA-GAR-G
UPD70F3481AGMA-GAR-G
UPD70F3481GMA-GAR-G
UPD70F3482AGMA-GAR-G
UPD70F3482GMA-GAR-G
UPD70F3486AGMA-GAR-G
UPD70F3486GMA-GAR-G
UPD70F3487AGMA-GAR-G
UPD70F3487GMA-GAR-G
UPD70F3488AGMA-GAR-G
UPD70F3488GMA-GAR-G
UPD70F3506GJA2-GBG-AX
UPD70F3507M1GJA2-GBG-AX
UPD70F3507M2GJA2-GBG-AX
UPD70F3508GJA2-GBG-AX
UPD70F3509M1GJA2-GBG-AX
UPD70F3509M2GJA2-GBG-AX
UPD70F3512F1-HN6-A
UPD70F3514F1-HN6-A
UPD70F3515F1-HN6-A
UPD70F3522GJA9-GAE-G
UPD70F3522GJA-GAE-G
UPD70F3523GJA9-GAE-G
UPD70F3523GJA-GAE-G
UPD70F3524GJA9-GAE-G
UPD70F3524GJA-GAE-G
UPD70F3525GJA9-GAE-G
UPD70F3525GJA9-GBG-G
UPD70F3525GJA-GAE-G
UPD70F3525GJA-GBG-G
UPD70F3526GJA9-GAE-G
UPD70F3526GJA9-GBG-G
UPD70F3526GJA-GAE-G
UPD70F3526GJA-GBG-G
UPD70F3529GMA9-GBK-G
UPD70F3529GMA-GBK-G
UPD70F3532F1A9-KN7-A
UPD70F3532F1A-KN7-A
UPD70F3535F1A9-MNM-A
UPD70F3536F1A9-MNM-A
UPD70F3537F1A9-MNM-A
UPD70F3539
UPD70F3570GBA1-GAH-AX
UPD70F3570GBA2-GAH-AX
UPD70F3570GBA-GAH-AX
UPD70F3571GBA1-GAH-AX
UPD70F3571GBA2-GAH-AX
UPD70F3571GBA-GAH-AX
UPD70F3572GBA1-GAH-AX
UPD70F3572GBA2-GAH-AX
UPD70F3572GBA-GAH-AX
UPD70F3573GKA1-GAK-AX
UPD70F3573GKA2-GAK-AX
UPD70F3573GKA-GAK-AX
UPD70F3574GKA1-GAK-AX
UPD70F3574GKA2-GAK-AX
UPD70F3574GKA-GAK-AX
UPD70F3575GKA1-GAK-AX
UPD70F3575GKA2-GAK-AX
UPD70F3575GKA-GAK-AX
UPD70F3576GCA1-UEU-AX
UPD70F3576GCA2-UEU-AX
UPD70F3576GCA-UEU-AX
UPD70F3577GCA1-UEU-AX
UPD70F3577GCA2-UEU-AX
UPD70F3577GCA-UEU-AX
UPD70F3578GCA1-UEU-AX
UPD70F3578GCA2-UEU-AX
UPD70F3578GCA-UEU-AX
UPD70F3579GCA1-UEU-AX
UPD70F3579GCA2-UEU-AX
UPD70F3579GCA-UEU-AX
UPD70F3580GCA1-UEU-AX
UPD70F3580GCA2-UEU-AX
UPD70F3580GCA-UEU-AX
UPD70F3582GJA1-GAE-AX
UPD70F3582GJA2-GAE-AX
UPD70F3582GJA-GAE-AX
定子磁极通过气隙与转子产生相同的极数。其结构简单，一个有三角形孔的磁极，可近似看成4极。此电机用于水表的流量计等。下图是另外一种单相步进电机的外观照片。此单相步进电机由照片看出，定子磁极的前端朝同一方向倾斜，从而改变转子磁路的磁导，使转子能沿一个方向旋转，其功能与上图（单相步进电机外观与结构）的定子相同。此种单相步进电机转子为永磁磁极，其圆周上有N和S极共30个，定子为单相，总磁极数为30,用气隙作转子导向。