【产品】50~1200MHz带压控衰减器的跨阻抗放大器ASA307,增益从33dB到8dB可调

2019-10-13 ASB
TIA,跨阻放大器,ASA307,ASB TIA,跨阻放大器,ASA307,ASB TIA,跨阻放大器,ASA307,ASB TIA,跨阻放大器,ASA307,ASB

ASB公司推出的ASA307是一款带压控衰减器的跨阻抗放大器(TIA),在高达1200MHz的宽频带范围内,具有高线性度和低噪声,适用于FTTH、光接收机、分配放大器和CATV系统放大器。该放大器采用QFN24塑料封装,通过严格的直流、射频和可靠性测试。

图1 ASA307封装图片


产品特色

工作频率:50~1200MHz

光输入功率:-7dBm~2dBm

EIN: 3.5 pA/rtHz

跨阻抗增益从33dB到8dB可调@Vctrl=0.0~3.89V

增益平坦度:±1dB,在Vctrl=0.0~3.89V,50MHz~1200MHz范围内

输出功率:83dBμV@CENELEC 42通道

MER:40dB@256 QAM 115通道+1OFDM,光输入功率-6~0dBm

单电源供电:+5V,260mA


产品应用

FTTH

光接收机

分配放大器

CATV系统放大器


产品规格


典型应用电路和评估板

图2 典型应用电路原理图


图3 应用电路评估板

授权代理商:世强先进(深圳)科技股份有限公司
技术资料,数据手册,3D模型库,原理图,PCB封装文件,选型指南来源平台:世强硬创平台www.sekorm.com
现货商城,价格查询,交期查询,订货,现货采购,在线购买,样品申请渠道:世强硬创平台电子商城www.sekorm.com/supply/
概念,方案,设计,选型,BOM优化,FAE技术支持,样品,加工定制,测试,量产供应服务提供:世强硬创平台www.sekorm.com
集成电路,电子元件,电子材料,电气自动化,电机,仪器全品类供应:世强硬创平台www.sekorm.com
  • +1 赞 0
  • 收藏
  • 评论 0

本文由maxsidou翻译自ASB,版权归世强硬创平台所有,非经授权,任何媒体、网站或个人不得转载,授权转载时须注明“来源:世强硬创平台”。

评论

   |   

提交评论

全部评论(0

暂无评论

相关推荐

【产品】5~1200MHz高线性度和低噪声的宽带线性CATV推挽放大器MMIC,并具有高线性度和低噪声特性

ASL331,ASL362是ASB公司推出的两款宽带线性CATV推挽放大器MMIC,其具有5~1200MHz的宽频率范围,并具有高线性度和低噪声特性,可适用于CATV系统的光纤接收器,分配放大器和后端放大器,以及移动无线中继器和BTS领域。

新产品    发布时间 : 2019-03-14

【产品】1.8 GHz的宽带线性推挽放大器MMIC ASL39D2 ,在高达1800 MHz频率范围具有高线性度和低噪声

ASB推出的ASL39D2是宽带线性推挽放大器MMIC,在高达1800 MHz的宽频率范围内具有高线性度和低噪声,适合用于FTTH,光接收机,分配放大器和CATV的压降放大器。 该放大器采用SOIC8封装,并通过自动测试中严格的100%DC和RF测试。

新产品    发布时间 : 2020-08-12

【产品】瑞盟科技新推宽带125MHz的超低噪声跨阻放大器MS8257N, 快速过载恢复<25ns

瑞盟科技推出的MS8257N是一颗宽带、快速过载恢复时间、快速建立时间、跨阻增益可调、超低噪声的跨阻放大器,主要用于光电监测和各种高性能的光电系统。快速过载恢复特性和内部输入保护电路可以让信号从过载传输中快速恢复正常。

新产品    发布时间 : 2022-08-10

ASB GaAs,GaN CATV放大器/功率放大器/低噪声放大器/增益模块放大器选型指南

目录- GaAs/GaN CATV Amplifier    GaAs/GaN Power Amplifier    Low Noise Amplifier    Gain Block Amplifier   

型号- ASL55T8,ASF143,AWB519,ASF140,ASL51T8,ASL362,AHB5414S4,ASL360,ABU25XX,AAT2074B2,AWB512,AWB517,AWG0123E,ASL912,AHX5406DS6,ABX0618Q,ABU2513,ABU2518,ASF150,ABU2516,ASL5543,ASF153,AAT2075B2,ASX201,AGN0942D,ASX1436,ASW234,ABB15XX,ASX1437,ASW114,ASX1037,AWG1023E,ASL59D4,ASX601,ASX1037HG,ASX602,ASL882,ASL920,AWG0015E,ASL425,ABU1513,AWG0117E,ABU1516,AWG3023,AWG3020,AWG1020E,ABU1510,ASL380,AHB5411S4,ASA307,AWG0317,AAT2073B2,AWB578,AWB459,ASL09C,AWG0313,ABU1526,ASL552,ASL551,ASL550,ASX621,ASX620,ASL390,AGN140,AWB51D2,AWG1017E,AHX-SERIES,ASX501,AGN1540,AWB51D9,ABU1519,AWB589,AWG3015,ASA306B,AHL5218T8,AWB51D7,AWG3017,AGT0510,AWG0115E,ASL41S9,ASL53T8,AGT0515,ASL51S59,AHX5607ST6,ASW320,ABB25XX,ASL560,AWG2716,ASL31C,AWG2719,ASW204,ASX415,AWB312,AWB319,AWB317,AGN0944Q,ABU15XX,ABB2518,AGN922,ABB2516,AWG2020,ABB2513,ASL331,ASX520,ASL330,ASL5463,AWG0917,AAT2077B2,ASX401,AWG1015E,ASW311,ASX521,ASW318,AWB31D1,ASX403,ASW313,ASW314,AHL3023S6,ASW316,AWB31D7,AWB688,AWG2023,AWB31D9,AWG0120E,AWB31D2,AWG0023E,ASL54T8,ABB1519,ASL226,ABB1516,ASF240,ABB1513,ASA-SERIES,ABB1510,ASX0837HG,ASL580,ASW220,AHX5406SS6,AHL5220T8,AWG0913,AHB5414T8,ABB817,ASL33C,AHX5607DT6,AWG2015,AWG0020E,AGN0942Q,AWG2017,ASF133,AGN0944M,ASF255,ASF250,AHB3612S6,ABB1526,ASF130,ASL5563,AAT2076B2,ASX420,ASX423,ASW212,ASX1536,AGN0944D,ASL590,ASL39D2,AWG1715,AWG1718,ASW335,ASW214,ASW338,AHL5216T8

选型指南  -  ASB  - 2019/3/20 PDF 英文 下载

ASB GaAs CATV有线电视放大器选型指南

目录- GaAs,GaN CATV Amplifier Portfolio    CATV High Power Amplifier(50~1200 MHz)    CATV Amplifier(50~1200 MHz)    Optical Trans-impedance Amplifier MMICs    75 2-bit Digital Attenuator(DC~2700 MHz)    SPDT Switches(20~6000 MHz)    CATV Hybrid Amplifier Modules   

型号- AWB519,AHX5607ST6,ASL362,ASL560,ABB25XX,ASL360,ABU25XX,AST20S,ASL31C.ASL331,ASL31C,AAT2074B2,AWB512,AWB31DX,AWB312,AWB319,AWB517,AWB317,ASL19C,ASL912,ABU15XX,ACM34104-2N110A,AHX5406DS6,ABU2513,ABU2518,ABB2518,ABU2516,AGN922,ABB2516,ABB2513,ASL331,AAT2075B2,ASL330,ASL572,AAT2077B2,ABB15XX,ASL59D4,ASW319,AWB31D1,ASL882,AWB31D7,AWB31D9,AWB31D2,ASL28C,ASL920,ABB1519,ABU1513,ABB1516,ABU1516,ASF240,ABB1513,ABB1510,ASL580,ABU1510,ASL380,ASW220,ACM34107-1N110A,AHX5406SS6,AST54S,ASA307,ABB817,ASL33C,AAT2073B2,AHX5607DT6,AWB51DX,ASL09C,ABU1526,ABB1526,ASL552,ASL551,ASL550,AAT2076B2,ASL590,ASL390,ASL39D2,AWB51D2,AWB3XX,AWB51D9,ABU1519,AWB589,AWB5XX,ASA306B,AWB31F5,AWB51D7,ASL9XX

选型指南  -  ASB  - 2019/3/13 PDF 英文 下载

【产品】ASB推出具有电压控制衰减器的跨阻抗放大器ASA306B,工作频率50~1200MHz

ASB推出的ASA306B是一款具有电压控制衰减器的跨阻抗放大器(TIA),在高达1200MHz的宽频率范围内,具有高线性度和低噪声特点,适用于CATV系统的FTTH、光接收器、分配放大器和插入式放大器。

产品    发布时间 : 2023-03-07

Maximum Input Power Analysis of MMIC Amplifiers

型号- ASF143,AWB519,ASF140,ASL51T8,ASL362,ASL360,ASW126,AHB5614S9,AAT2074B2,AWB512,AWB478,AWG0123E,AWB517,ASL19C,ASL912,ABU2513,ABU2518,ASF150,ASF153,ASL5543,ABU2516,ASX201,AAT2075B2,ASW234,ASW114,ASW235,AWG1023E,AHX5408SS6,ASL59D4,AHB5614T8,ASX601,ASX602,ASL882,AWG0015E,ASL920,ASL425,AWG0117E,ABU1513,AWG3023,ABU1516,AWG3020,ASW301,AWG1020E,ASL380,AST54S,ASA307,AAT2073B2,ASL13C,AWB578,AWB577,ASL09C,AWB459,ASL51S9,ASL552,ASL551,ASX101,ASL550,ASW135,ASX621,ASX620,ASL30G,ASL390,AWB51D2,AWG1017E,ASX501,ASL52D6,AWB51D9,AWB589,AWG3015,ABU1519,AHL5218T8,ASA306B,AWB51D7,AHX5408DS6,AWG3017,AWG0115E,ASL41S9,AHX5607ST6,ASW320,ASL560,AST20S,ASW207,ASW208,ASL31C,ASW204,ASW205,ASX415,AWB312,AWB319,AWB317,ABB2518,AWG2020,ABB2516,ASL210,ASX520,ABB2513,ASL331,ASL5463,ASL330,ASW311,ASX401,AWG1015E,AAT2077B2,ASX521,ASW318,AWB31D1,ASW313,ASX403,ASW314,ASW316,AWB688,AWB31D7,AWG2023,AWG0120E,AWB31D9,AWB31D2,AWG0023E,ASL54T8,ASL226,ABB1519,ABB1516,ASF240,ASW101,ABB1513,ASW103,ASL580,ASW220,AHL5220T8,ASW105,ASL33C,AHX5607DT6,AWG2015,ABL5616U6,AWG0020E,AWG2017,ASF133,ASF255,ASF250,ASF130,ASL5563,ASX420,AAT2076B2,ASW212,ASX423,ASL590,ASL39D2,ASW214,ASW335,ASW215,ASW216,ASW338,AWB389,AHL5216T8

应用笔记或设计指南  -  ASB  - September 2021 PDF 英文 下载 查看更多版本

【经验】MMIC放大器的最大输入功率分析

在许多应用中,MMIC放大器可能会发生各种射频环境下的意外异常操作,从而导致放大器无法在系统中正常工作。ASB进行了大量测试,以便在放大器损坏和无法操作之前提供最大输入功率的电平,有助于用户实现更安全的系统设计。

设计经验    发布时间 : 2022-12-02

Maximum Input Power Analysis of ASB’s MMIC Amplifiers Application Note

型号- ASF143,AWB519,ASF140,ASL51T8,ASL362,ASL360,ASW126,AHB5614S9,AAT2074B2,AWB512,AWB478,AWG0123E,AWB517,ASL19C,ASL912,AHX5406DS6,ABU2513,ABU2518,ASF150,ASF153,ASL5543,ABU2516,ASX201,AAT2075B2,ASW234,ASW114,ASW235,AWG1023E,ASL59D4,AHB5614T8,ASX601,ASX602,ASL882,AWG0015E,ASL920,ASL425,AWG0117E,ABU1513,AWG3023,ABU1516,AWG3020,ASW301,AWG1020E,ASL380,AST54S,ASA307,AAT2073B2,ASL13C,AWB578,AWB577,ASL09C,AWB459,ASL51S9,ASL552,ASL551,ASX101,ASL550,ASW135,ASX621,ASX620,ASL30G,ASL390,AWB51D2,AWG1017E,ASX501,ASL52D6,AWB51D9,AWB589,AWG3015,ABU1519,AHL5218T8,ASA306B,AWB51D7,AWG3017,AWG0115E,ASL41S9,AHX5607ST6,ASW320,ASL560,AST20S,ASW207,ASW208,ASL31C,ASW204,ASW205,ASX415,AWB312,AWB319,AWB317,ABB2518,AWG2020,ABB2516,ASL210,ASX520,ABB2513,ASL331,ASL5463,ASL330,ASW311,ASX401,AWG1015E,AAT2077B2,ASX521,ASW318,AWB31D1,ASW313,ASX403,AHB5616T8,ASW314,ASW316,AWB688,AWB31D7,AWG2023,AWG0120E,AWB31D9,AWB31D2,AWG0023E,ASL54T8,ASL226,ABB1519,ABB1516,ASF240,ASW101,ABB1513,ASW103,ASL580,ASW220,AHX5406SS6,AHL5220T8,ASW105,ASL33C,AHX5607DT6,AWG2015,AWG0020E,AWG2017,ASF133,ASF255,ASF250,ASF130,ASL5563,ASX420,AAT2076B2,ASW212,ASX423,ASL590,ASL39D2,ASW214,ASW335,ASW215,ASW216,ASW338,AWB389,AHL5216T8

应用笔记或设计指南  -  ASB  - September2019 PDF 英文 下载

数据手册  -  ASB  - May 2019 PDF 英文 下载

Optoelectronics & Photonic Product Selection Guide

型号- M08898,MATA-37244,MALD-〇2194,127D-10I-VCT11-503,MALD-〇2195,MASC-37028,MASC-37029,MATA-02135,131D-25G-LT5TC,32448-02FG-PPR,QT2〇25,11069-02,MAOP-L561FP,11241-01P,M08888,APM86791,M08886,MATA-03919,M08889,MAOM-37051,11000-03,133D-1〇I-VT5AC-5〇4,S60101,MAOM-37057,M08890,MALD-37345B,MATA 006406,MATA-37144,32412-04-PPR,MATA-37145,MAOM-003427,11245-01-PPR,32439-01-PPR,MATA 003806,MALD-02183,MATA-003806,MATA-02238,APM86691,DIE,APM86692,MAOM-003417,131F-10I-LT5K1C-S,MAOM-〇34〇9B,MAOP-L284FP,11206-01,11132-03,MAOM-〇〇23〇4-,MARP-PT28E-02-PPR,MAOM-03409D,MALD-37645,11104-05,127D-25G-LCT11,MALD-02103C,MAOM-〇〇22〇〇,MATA-37442,S20020,MATA-37444,MATP-1〇〇25,MAOM-〇〇5424,11113-04,MAOM-〇〇5421,11113-05,MAOM-〇〇23〇1-,MAOM-〇〇3119,MATA-03820,127D-02I-VT5AB,MASC-38040,MARP-AT12C-01-PPR,11088-05,11059-02,MASC-37053,13〇4-25B-LCT11-S3,MAOM-〇〇5411,MAOM-010567,13〇9-25B-LCT11-S3,M〇2〇99,M〇2〇97,M〇2〇96,11219-03,32445-01,M02013,M02015,127D-10G-VCT11-504,M02014,MATA-38434,M02016,M02139,MAOP-L284CN,MASC-37048,MAOM-〇〇5321,32412-03-PPR,S12611,MAOM-〇〇5324,131D-02E-VT5TB-50X,S12612,MATA-03003,MATA-03006,MAOM-〇〇22〇7,MA0M-003417B,MAOM-003115,131D-10G-VCT11-504,32447-01FG,MATA-03920,M02020,M02140,MAOM-03417L,MATA-03819,1295-25B-LCT11-S3,M〇2〇9〇,M02006,M02007,11153-02,MAOM-〇〇34〇5,11237-01P-PPR,MAOM-〇〇34〇7,S28〇1〇,131D-02E-VCT11-50X,MATA-03013,S20101,MALD-37445,MAOM-〇〇34〇1,M02035,M03002,M02036,M02038,MATA-37644,MAOM-〇34〇4A,133D-10G-VT5AC-S,S12312,11226-01,MAOM-〇〇21〇5,S2811〇,S40101,APM8629〇,M02040,11215-01P,M02142,M02024,129D-10G-VCT11-504,APM86392,M02026,M02025,M02028,127D-10G-VT5AC-504,S10126,M02029,S10124,13〇〇-25B-LCT11-S3,S10123,11112-04,133D-25G-LCT11,MAMF-11097,MATA 006806,32447-02FG-PPR,APM86391,129D-25G-LCT11,131D-25I-LT5TC,131F-10I-LCT11-S,MAOM-006418,MATA-03802A,S12411,11243-01,S12412,A0425-DXX,MALD-02101,MAOP-L564FP,APM8619〇,MATA 003406,127D-02I-VCT11,M02061,MAOM-37447,11174-07,M02046,11174-06,11174-05,11174-04,MAOM-006408,A0425-MXX,131D-1〇I-VT5RC-5〇4,127D-10I-VT5AC-504,MAOM-006416,MATA-005817,MAOM-006412,M02050,M09000,M09001,M02077,MATA-38134,MATA-37044,MALD-37030,MALD-37031,11044-16,131D-25I-LCT11,11058-02P,MAOM-〇〇2311,32444-01FG,MAOM-003411,MAOM-003414,MAOM-002203,127D-10I-VT5CC-503,11012-05P,M08980,11204-01,11204-06,32392-03-PPR,11204-05,133D-1〇G-VCT11-5〇4,S50101,MAOM-〇〇31〇7,MAOM-〇〇31〇8,M21012,131F-25I-LCT11,M02193,M02098,M21050,MALD-37059,MASC-37446,MASC-37448,MAOM-38053,11212-01P,QT2225,MAOM-38051,MAOP-L561DP,32448-01,MAOM-〇〇3419,MALD-〇2181,131D-25G-LCT11,32437-01-PPR,11233-01,S28115,APM86491,127D-10I-VT5AB-503,11057-02,MALD-37045,M37049,M37046,M〇218〇,M37047,MARP-FSAPD10A-PPR,11001-03,11238-01,M〇2172,M〇21〇〇,MATP-4〇〇5〇,M02095

选型指南  -  MACOM  - 2019/03/29 PDF 英文 下载

Qorvo®宽带接入、CATV 和 FTTH 产品选择指南

型号- TAT8858A1H,S10040230GT,RFCA3310,D10040240GTH,D10040200GT,R0605300L,RFPD3890,QPA3238,RFRP3120,CXE1089Z,TAT7467E1F,QPA3240,RFAM3620,QPB3311,D10040220GTH,TAT9988,RFXF0006,RFXF0007,RFXF0008,RFXF0009,RFPP3180,RFPP3870,QPC6742,QPA3248,S10040140P1,R2005300L,D10040200GTH,QPB3321,TAT8888,QPB7400,QPB8857,QPB8858,RF3827,QPB7420,QPC3024,TAT7469,TAT7460B1A,TAT7466,R1005250L,D10040250GT,CGR0218Z,S10040280GT,QPB0066,S10040240P,D10040180GTH,S10040200P,QPC7337,R0605250L,AG606,QPC6762,QPC7335,QPC7336,QPB7432,TAT7457,RFPD3220,D10040300GTH,RFPD3580,R2005350L,R3005300L,TAT7461,TAT7460,RFXF0010,TGA2803-SM,D10040220GT,QPB7425,RFSA3043,RFCM5304,QPC1022,RFSA3023,RF2317,RFPD3210,RF2312,R2005280L,D10040270GT,RFAM3790,RFSW1012,QPB8808,TAT7461A6A,TAT8804D1H,D10040180GT,QPB8888,TAT6254C,TAT6254B,TAT8857A1H,CXE2089Z,RFSA3013,RFCM4363,S10040220GT,QPA3320,S10040180P1,RFRP2241,TAT7430B,D10040240GT,CGR0118Z,RFRP2920,QPB8896,QPB2318,TQP200002,QPB7464,QPA3333,QPC3624,R3005250L,RFCA8828,CGA6618Z,D10040270GTH,D10040270GTL,QPA3340,RFPP2590,QPB2328,S10040220P,QPB9010,QPB9015,RFPD3540,RFCA3828,TGA2807-SM,QPA5368,RFCA1008,RFCA3306,QPC3614,R1005300L,QPA3350,QPA3230,RFCA8830,RFCM3328,TAT7472A1F,D10040250GTH,RFCM3327,QPB8957,QPB8958,TAT7427BT1

选型指南  -  QORVO  - 05-2018 PDF 中文 下载

HXR14100 Single Channel 28Gbaud Linear TIA

型号- HXR14100,HXR14100-DNU

数据手册  -  RENESAS  - December 12, 2017 PDF 英文 下载

【应用】瑞萨线性Trans-I阻抗放大器(TIA)用于SR PAM4高速光模块项目中,成本约为DSP方案芯片的一半

瑞萨HXR14450是一个四通道,低功耗的线性跨阻抗放大器(TIA),集成时钟和数据恢复(CDR)单元。它是光接收机家族的成员之一。用于高速的发射机阵列(ORTA光互联)产品。它是基于PAM4的下一代数据通信的调制芯片。

应用方案    发布时间 : 2021-03-28

展开更多

电子商城

查看更多

品牌:ASB

品类:Amplifier MMIC

价格:¥35.1620

现货: 50

品牌:ASB

品类:Amplifier MMIC

价格:¥20.5200

现货: 48

品牌:芯海

品类:模拟前端 (AFE)

价格:¥4.9300

现货: 1

品牌:芯耘光电

品类:APD Receiver

价格:¥199.0000

现货: 0

品牌:FIRECOMMS

品类:Fiber Optic Receiver

价格:

现货: 0

品牌:芯耘光电

品类:1CH×25G/28G TIA for PIN

价格:

现货: 0

品牌:芯耘光电

品类:4CH×100G Linear TIA (750um Pitch)

价格:

现货: 0

品牌:芯耘光电

品类:4CH×25G/28G CDR+TIA

价格:

现货: 0

品牌:芯耘光电

品类:四通道跨阻放大芯片

价格:

现货: 0

品牌:Weidmueller

品类:RJ45 插芯

价格:¥73.3021

现货: 0

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

现货市场

查看更多

品牌:SEMTECH

品类:TIA

价格:¥1.0631

现货:23,593

品牌:SEMTECH

品类:IC

价格:¥3.0000

现货:10,000

品牌:MACOM

品类:光电二极管

价格:¥28.0000

现货:4,410

品牌:SEMTECH

品类:IC

价格:¥62.0000

现货:1,896

品牌:RENESAS

品类:放大器

价格:¥27.0000

现货:1,800

品牌:SEMTECH

品类:单通道跨阻放大器

价格:¥111.8700

现货:202

品牌:MACOM

品类:放大器

价格:¥203.4000

现货:122

品牌:乾鸿微

品类:高速宽带运算放大器

价格:¥5.7889

现货:76

品牌:乾鸿微

品类:单通道TIA放大器

价格:¥6.4000

现货:24

品牌:RENESAS

品类:放大器

价格:¥74.0100

现货:16

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

品牌:

品类:

价格:

现货:

查看更多

授权代理品牌:接插件及结构件

查看更多

授权代理品牌:部件、组件及配件

查看更多

授权代理品牌:电源及模块

查看更多

授权代理品牌:电子材料

查看更多

授权代理品牌:仪器仪表及测试配组件

查看更多

授权代理品牌:电工工具及材料

查看更多

授权代理品牌:机械电子元件

查看更多

授权代理品牌:加工与定制

世强和原厂的技术专家将在一个工作日内解答,帮助您快速完成研发及采购。
我要提问

954668/400-830-1766(工作日 9:00-18:00)

service@sekorm.com

研发客服
商务客服
服务热线

联系我们

954668/400-830-1766(工作日 9:00-18:00)

service@sekorm.com

投诉与建议

E-mail:claim@sekorm.com

商务合作

E-mail:contact@sekorm.com

收藏
收藏当前页面