STM32F031F6P7,2393637,微控制器, 32位, 线路接入, ARM 皮质-M0, 48 MHz, 32 KB, 4 KB, 20 引脚, TSSOP,STMICROELECTRONICS
laird代理商
专业代理销售laird(莱尔德)全系列产品-新加坡2号仓库
美国1号分类选型新加坡2号分类选型英国10号分类选型英国2号分类选型日本5号分类选型

在本站结果里搜索:    
热门搜索词:28B0500-100  IRF9540  保险丝  amphenol  4.7μF 63V 5mm  P沟道 8ohm SOT-23  2581138

STM32F031F6P7 - 

微控制器, 32位, 线路接入, ARM 皮质-M0, 48 MHz, 32 KB, 4 KB, 20 引脚, TSSOP

STMICROELECTRONICS STM32F031F6P7
声明:图片仅供参考,请以实物为准!
制造商产品编号:
STM32F031F6P7
仓库库存编号:
2393637
技术数据表:
(EN)
订购热线: 400-900-3095  0755-21000796, QQ:800152669, Email:sales@szcwdz.com
您可通过官网直接下单选定型号并完成支付(请确保型号准确),销售团队将同步审核;线下合同交易模式同步开放,具体流程请联系我司业务代表。
  美国1号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7TR
库存编号:497-STM32F031F6P7TRCT-ND
STMicroelectronics IC MCU 32BIT 32KB FLASH 20TSSOP2347
1起订
1+
10+
25+
100+
250+
500+
1000+
¥33.64
¥25.04
¥22.9
¥20.55
¥19.43
¥18.76
¥18.2
6-10天购买 购买
,"cvcgetWeb":["c3JjPTEmUE49NDk3LVNUTTMyRjAzMUY2UDdUUkNULU5E"],"cvcModel":["STM32F031F6P7TR"],"cvcBrand":[" STMicroelectronics "],"cvcNumberAll":["1,10,25,100,250,500,1000,"],"cvcPriceAll":["33.64,25.04,22.9,20.55,19.43,18.76,18.2,"],"maxnum":["2347"],"minnum":["1"],"mytime":["6-10天"],

查看资料
STM32F031F6P7TR
库存编号:497-STM32F031F6P7TRDKR-ND
STMicroelectronics IC MCU 32BIT 32KB FLASH 20TSSOP2347
1起订
1+
10+
25+
100+
250+
500+
1000+
¥33.64
¥25.04
¥22.9
¥20.55
¥19.43
¥18.76
¥18.2
6-10天购买 购买
,"cvcgetWeb":["c3JjPTEmUE49NDk3LVNUTTMyRjAzMUY2UDdUUkRLUi1ORA=="],"cvcModel":["STM32F031F6P7TR"],"cvcBrand":[" STMicroelectronics "],"cvcNumberAll":["1,10,25,100,250,500,1000,"],"cvcPriceAll":["33.64,25.04,22.9,20.55,19.43,18.76,18.2,"],"maxnum":["2347"],"minnum":["1"],"mytime":["6-10天"],

查看资料
STM32F031F6P7
库存编号:497-17340-ND
STMicroelectronics IC MCU 32BIT 32KB FLASH 20TSSOP1141
1起订
1+
10+
74+
148+
296+
518+
1036+
¥33.64
¥25.04
¥20.99
¥20.04
¥19.25
¥18.72
¥18.17
6-10天购买 购买
,"cvcgetWeb":["c3JjPTEmUE49NDk3LTE3MzQwLU5E"],"cvcModel":["STM32F031F6P7"],"cvcBrand":[" STMicroelectronics "],"cvcNumberAll":["1,10,74,148,296,518,1036,"],"cvcPriceAll":["33.64,25.04,20.99,20.04,19.25,18.72,18.17,"],"maxnum":["1141"],"minnum":["1"],"mytime":["6-10天"],"haveiscanbuy":["yes"],

查看资料
STM32F031F6P7TR
库存编号:497-STM32F031F6P7TR-ND
STMicroelectronics IC MCU 32BIT 32KB FLASH 20TSSOP0
2500起订
2500+
5000+
¥17.61
¥17.26
6-10天询价 询价
查看资料
  美国2号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7
库存编号:511-STM32F031F6P7
STMicroelectronics ARM Microcontrollers - MCU Entry-level ARM Cortex-M0 MCU1417
1起订
1+
10+
100+
250+
500+
1000+
2960+
¥31.91
¥19.98
¥19.03
¥18.32
¥17.85
¥17.26
¥17.02
6-10天购买 购买
,"cvcgetWeb":["c3JjPTMmUE49NTExLVNUTTMyRjAzMUY2UDc="],"cvcModel":["STM32F031F6P7"],"cvcBrand":[" STMicroelectronics "],"cvcNumberAll":["1,10,100,250,500,1000,2960,"],"cvcPriceAll":["31.91,19.98,19.03,18.32,17.85,17.26,17.02,"],"maxnum":["1417"],"minnum":["1"],"mytime":["6-10天"],"haveiscanbuy":["yes"],
STM32F031F6P7TR
库存编号:511-STM32F031F6P7TR
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 32 Kbytes of Flash 48 MHz CPU, motor co1197
1起订
1+
10+
100+
250+
500+
1000+
2500+
¥31.91
¥21.75
¥19.5
¥18.44
¥17.85
¥17.26
¥15.13
6-10天购买 购买
,"cvcgetWeb":["c3JjPTMmUE49NTExLVNUTTMyRjAzMUY2UDdUUg=="],"cvcModel":["STM32F031F6P7TR"],"cvcBrand":[" STMicroelectronics "],"cvcNumberAll":["1,10,100,250,500,1000,2500,"],"cvcPriceAll":["31.91,21.75,19.5,18.44,17.85,17.26,15.13,"],"maxnum":["1197"],"minnum":["1"],"mytime":["6-10天"],
  日本1号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7
库存编号:STM32F031F6P7
STMicroelectronics Semiconductors1480
1起订
1+
10+
100+
2960+
¥17.58
¥16.51
¥16.1
¥14.63
1-2周购买 购买
,"cvcgetWeb":["c3JjPTkmUE49U1RNMzJGMDMxRjZQNw=="],"cvcModel":["STM32F031F6P7"],"cvcBrand":[" STMicroelectronics "],"cvcNumberAll":["1,10,100,2960,"],"cvcPriceAll":["17.58,16.51,16.1,14.63,"],"maxnum":["1480"],"minnum":["1"],"mytime":["1-2周"],"haveiscanbuy":["yes"],
  美国3号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7
库存编号:STM32F031F6P7
STMicroelectronics MCU 32-Bit GP STM32F ARM Cortex M0 RISC 32kB Flash 20-Pin TSSOP Tray - Rail/Tube (Alt: STM32F031F6P7)0
1480起订
1480+
2960+
5920+
8880+
11840+
¥16.52
¥16.11
¥15.92
¥15.73
¥15.54
1-2周询价 询价
STM32F031F6P7TR
库存编号:STM32F031F6P7TR
STMicroelectronics MCU 32-Bit GP STM32F ARM Cortex M0 RISC 32kB Flash 20-Pin TSSOP T/R - Tape and Reel (Alt: STM32F031F6P7TR)0
2500起订
2500+
5000+
10000+
15000+
20000+
¥16.52
¥16.11
¥15.97
¥15.89
¥15.8
1-2周询价 询价
  日本2号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7
库存编号:70399040
STMicroelectronics MCU 32-bit ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tube0
23起订
23+
¥21.47
1-2周询价 询价
STM32F031F6P7
库存编号:66196872
STMicroelectronics MCU 32-bit ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tube0
7起订
7+
10+
148+
518+
1036+
2516+
5032+
¥16.41
¥14.04
¥13.72
¥13.5
¥13.33
¥13.24
¥13.18
1-2周询价 询价
STM32F031F6P7
库存编号:69862724
STMicroelectronics MCU 32-bit ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tube0
5起订
5+
10+
148+
¥19.24
¥16.86
¥16.74
1-2周询价 询价
  新加坡3号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7
库存编号:2393637
STMicroelectronics , , 32, CORTEX-M0, 48MHZ, TSSOP-2014
1起订
1+
10+
25+
50+
100+
250+
500+
1000+
¥33.11
¥31.4
¥29.57
¥27.86
¥26.03
¥24.32
¥22.49
¥20.77
1-2周购买 购买
,"cvcgetWeb":["c3JjPTQmUE49MjM5MzYzNw=="],"cvcModel":["STM32F031F6P7"],"cvcBrand":[" STMicroelectronics "],"cvcNumberAll":["1,10,25,50,100,250,500,1000,"],"cvcPriceAll":["33.11,31.4,29.57,27.86,26.03,24.32,22.49,20.77,"],"maxnum":["14"],"minnum":["1"],"mytime":["1-2周"],"haveiscanbuy":["yes"],

查看资料
  英国7号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7
库存编号:STM32F031F6P7
STMicroelectronics IC: STM32 ARM microcontroller, 48MHz, TSSOP20, 2÷3.6VDC, STM32F00
1起订
1+
3+
10+
25+
50+
100+
250+
500+
1000+
¥37.6
¥34.88
¥32.02
¥30.59
¥29.16
¥27.73
¥26.31
¥23.59
¥22.45
1-3周询价 询价
  英国11号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 实时库存 起订量 实时单价
(含税)
货期
(工作日)
操作
STM32F031F6P7
库存编号:1893836
STMicroelectronics STMicroelectronics, STM32F031F6P7, TU4
74起订
74+
370+
¥23.8
¥23.32
1-3周询价 询价
STM32F031F6P7
库存编号:1894066
STMicroelectronics STMicroelectronics, STM32F031F6P7, PK4
5起订
5+
¥34.24
1-3周询价 询价
STM32F031F6P7
库存编号:1894066P
STMicroelectronics STMicroelectronics, STM32F031F6P7, TU4
5起订
5+
¥34.24
1-3周询价 询价

STM32F031F6P7产品概述

The STM32F031F6P7 is a general purpose ARM Cortex-M0 32bit microcontroller in 20 pin TSSOP package. This microcontroller incorporates a high performance RISC core with 48MHz maximum operating frequency, high speed embedded memories and an extensive range of enhanced peripherals and I/Os. The STM32F031F6P7 features standard communication interfaces, 12bit ADC, general purpose 16bit timers, 32bit timer and an advanced control PWM timer. A comprehensive set of power saving modes allows the design of low power applications.
  • 32Kbytes of flash memory
  • 4Kbytes of SRAM with HW parity
  • CRC calculation unit
  • Operating voltage range from 2V to 3.6V
  • 15 fast I/O ports
  • 5 channel DMA controller, five general purpose and one advanced timer
  • One 12bit 1.0μs ADC
  • Calendar RTC with alarm and periodic wakeup from stop/standby
  • One SPI (I2S), one I2C, one USART interfaces
  • Ambient operating temperature range from -40°C to 85°C

嵌入式设计与开发, 便携式器材, 消费电子产品, 通信与网络, 无线, 工业, 成像, 视频和目视

STM32F031F6P7产品信息

  架构  ARM 皮质-M0  
  位数  32位  
  CPU速度  48MHz  
  程序内存大小  32KB  
  存储器容量, RAM  4KB  
  针脚数  20引脚  
  MCU 封装类型  TSSOP  
  输入/输出数  15输入  
  嵌入式接口类型  I2C, I2S, SPI, UART  
  电源电压最小值  2V  
  电源电压最大值  3.6V  
  封装  每个  
  产品范围  STM32 F0 ARM Cortex-M0 Microcontrollers  
  MSL  MSL 3 - 168小时  
关键词         

STM32F031F6P7关联产品

  • 制造商产品编号
  • 仓库库存编号
  • 制造商 / 说明 / 规格书
  • 操作

STM32F031F6P7相关搜索

架构 ARM 皮质-M0  STMICROELECTRONICS 架构 ARM 皮质-M0  16/32位微控制器-MCU-ARM 架构 ARM 皮质-M0  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 架构 ARM 皮质-M0   位数 32位  STMICROELECTRONICS 位数 32位  16/32位微控制器-MCU-ARM 位数 32位  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 位数 32位   CPU速度 48MHz  STMICROELECTRONICS CPU速度 48MHz  16/32位微控制器-MCU-ARM CPU速度 48MHz  STMICROELECTRONICS 16/32位微控制器-MCU-ARM CPU速度 48MHz   程序内存大小 32KB  STMICROELECTRONICS 程序内存大小 32KB  16/32位微控制器-MCU-ARM 程序内存大小 32KB  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 程序内存大小 32KB   存储器容量, RAM 4KB  STMICROELECTRONICS 存储器容量, RAM 4KB  16/32位微控制器-MCU-ARM 存储器容量, RAM 4KB  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 存储器容量, RAM 4KB   针脚数 20引脚  STMICROELECTRONICS 针脚数 20引脚  16/32位微控制器-MCU-ARM 针脚数 20引脚  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 针脚数 20引脚   MCU 封装类型 TSSOP  STMICROELECTRONICS MCU 封装类型 TSSOP  16/32位微控制器-MCU-ARM MCU 封装类型 TSSOP  STMICROELECTRONICS 16/32位微控制器-MCU-ARM MCU 封装类型 TSSOP   输入/输出数 15输入  STMICROELECTRONICS 输入/输出数 15输入  16/32位微控制器-MCU-ARM 输入/输出数 15输入  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 输入/输出数 15输入   嵌入式接口类型 I2C, I2S, SPI, UART  STMICROELECTRONICS 嵌入式接口类型 I2C, I2S, SPI, UART  16/32位微控制器-MCU-ARM 嵌入式接口类型 I2C, I2S, SPI, UART  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 嵌入式接口类型 I2C, I2S, SPI, UART   电源电压最小值 2V  STMICROELECTRONICS 电源电压最小值 2V  16/32位微控制器-MCU-ARM 电源电压最小值 2V  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 电源电压最小值 2V   电源电压最大值 3.6V  STMICROELECTRONICS 电源电压最大值 3.6V  16/32位微控制器-MCU-ARM 电源电压最大值 3.6V  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 电源电压最大值 3.6V   封装 每个  STMICROELECTRONICS 封装 每个  16/32位微控制器-MCU-ARM 封装 每个  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 封装 每个   产品范围 STM32 F0 ARM Cortex-M0 Microcontrollers  STMICROELECTRONICS 产品范围 STM32 F0 ARM Cortex-M0 Microcontrollers  16/32位微控制器-MCU-ARM 产品范围 STM32 F0 ARM Cortex-M0 Microcontrollers  STMICROELECTRONICS 16/32位微控制器-MCU-ARM 产品范围 STM32 F0 ARM Cortex-M0 Microcontrollers   MSL MSL 3 - 168小时  STMICROELECTRONICS MSL MSL 3 - 168小时  16/32位微控制器-MCU-ARM MSL MSL 3 - 168小时  STMICROELECTRONICS 16/32位微控制器-MCU-ARM MSL MSL 3 - 168小时  
参考价格及参考库存
  美国1号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 操作
STM32F031F6P7
[更多]
STMicroelectronics

IC MCU 32BIT 32KB FLASH 20TSSOP

RoHS: Compliant | pbFree: Yes

搜索
查看资料
  美国2号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 操作
STM32F031F6P7
[更多]
STMicroelectronics

ARM Microcontrollers - MCU Entry-level ARM Cortex-M0 MCU

RoHS: Compliant

搜索
STM32F031F6P7TR
[更多]
STMicroelectronics

ARM Microcontrollers - MCU Mainstream ARM Cortex-M0 Access line MCU with 32 Kbytes Flash, 48 MHz CPU, motor control

搜索
  日本1号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 操作
STM32F031F6P7
[更多]
STMicroelectronics

Microcontroller (MCU)

RoHS: Compliant | pbFree: Yes

搜索
STM32F031F6P7
[更多]
STMicroelectronics

Microcontroller (MCU)

RoHS: Compliant | pbFree: Yes

搜索
  美国3号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 操作
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-Bit GP STM32F ARM Cortex M0 RISC 32kB Flash 20-Pin TSSOP Tray (Alt: STM32F031F6P7)

RoHS: Compliant

搜索
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-Bit GP STM32F ARM Cortex M0 RISC 32kB Flash 20-Pin TSSOP Tray - Rail/Tube (Alt: STM32F031F6P7)

RoHS: Compliant

搜索
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-Bit GP STM32F ARM Cortex M0 RISC 32kB Flash 20-Pin TSSOP Tray (Alt: STM32F031F6P7)

RoHS: Compliant

搜索
STM32F031F6P7TR
[更多]
STMicroelectronics

MCU 32-Bit GP STM32F ARM Cortex M0 RISC 32kB Flash 20-Pin TSSOP T/R - Tape and Reel (Alt: STM32F031F6P7TR)

搜索
STM32F031F6P7TR
[更多]
STMicroelectronics

MCU 32-Bit GP STM32F ARM Cortex M0 RISC 32kB Flash 20-Pin TSSOP T/R (Alt: STM32F031F6P7TR)

RoHS: Compliant

搜索
  日本2号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 操作
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-bit STM32 ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tray

RoHS: Compliant

搜索
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-bit STM32 ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tray

RoHS: Compliant

搜索
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-bit STM32 ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tray

RoHS: Compliant

搜索
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-bit STM32 ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tray

RoHS: Compliant

搜索
  日本3号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 操作
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-bit STM32 ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tray

RoHS: Compliant

搜索
STM32F031F6P7
[更多]
STMicroelectronics

MCU 32-bit STM32 ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP Tray

RoHS: Compliant

搜索
STM32F031F6P7TR
[更多]
STMicroelectronics

MCU 32-bit ARM Cortex M0 RISC 32KB Flash 2.5V/3.3V 20-Pin TSSOP T/R

RoHS: Compliant

搜索
  新加坡2号仓库    仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货
型号 制造商 描述 操作
STM32F031F6P7
[更多]
STMicroelectronics

MCU, 32BIT, CORTEX-M0, 48MHZ, TSSOP-20

搜索
  www.szcwdz.com    查看更多相关产品
参考图片 型号/品牌 描述 / 技术参考 操作
无图STM32F031F6P7
STMicroelectronics
ARM Microcontrollers - MCU Entry-level ARM Cortex-M0 MCU
暂无PDF 
查价格库存
查看详细
  新加坡2号仓库    查看更多相关产品
制造商产品编号 仓库库存编号 制造商 / 说明 / 规格书 操作
STM32F031F6P7
STMICROELECTRONICS STM32F031F6P7
2393637

STMICROELECTRONICS

微控制器, 32位, 线路接入, ARM 皮质-M0, 48 MHz, 32 KB, 4 KB, 20 引脚, TSSOP

(EN)
搜索
  美国1号仓库    查看更多相关产品
参考图片 制造商 / 描述 / 型号 / 仓库库存编号 / 别名 PDF操作

STMicroelectronics - STM32F031F6P7 - IC MCU 32BIT 32KB FLASH 20TSSOP
STMicroelectronics
IC MCU 32BIT 32KB FLASH 20TSSOP

详细描述:ARM? Cortex?-M0 微控制器 IC STM32 F0 32-位 48MHz 32KB(32K x 8) 闪存 20-TSSOP

型号:STM32F031F6P7
仓库库存编号:497-17340-ND
别名:497-17340 <br>STM32F031F6P7-ND <br>

无铅
搜索
电话:400-900-3095
QQ:800152669

STM32F031F6P7产地与重量

原产地:
Philippines

进行最后一道重要生产流程所在的国家

RoHS 合规:
税则号:
85423190
重量(千克):
.0026
laird电子简介 | laird产品 | laird动态 | 按系列选型 | 按产品规格选型 | laird产品应用 | laird选型手册
Copyright © 2017 www.laird-tek.com All Rights Reserved. 技术支持:电子元器件 ICP备案证书号:粤ICP备11103613号
版权所有:深圳市创唯电子有限公司 客服电话:400-900-3095 企业QQ:800152669 邮箱:sales@szcwdz.com