Choose CountryCountry
Alternate Text Utsource International Sites
Shipping address

Sign In

Welcome to Utsource

Sign In

New customer?Start here.

Account Center My Orders My Inquiries My Coupons
My invoice BOM Manager Seller's Information Manage return and refund Favorites Historical purchase goods Funds Account Sub-account Share Settings Sign Out

Hello! Sign In or Register now

APP Datasheet Live Stream

Category

IC Chips

74 series Digital Integrated Circuits

CD40 series Digital Integrated Circuits

Optical Couplers

Clock & Calculator ICs

Operational Amplifiers

Power Switch Ics

Driver Ics

Flash Memory

Memory

Audio Special Purpose

Clock/Timing - Application Specific

Clock/Timing - Clock Buffers, Drivers

Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

Clock/Timing - Delay Lines

Clock/Timing - IC Batteries

Clock/Timing - Programmable Timers and Oscillators

Clock/Timing - Real Time Clocks

Data Acquisition - ADCs/DACs - Special Purpose

Data Acquisition - Analog Front End (AFE)

Data Acquisition - Analog to Digital Converters (ADC)

Data Acquisition - Digital Potentiometers

Data Acquisition - Digital to Analog Converters (DAC)

Data Acquisition - Touch Screen Controllers

Embedded - CPLDs (Complex Programmable Logic Devices)

Embedded - DSP (Digital Signal Processors)

Embedded - FPGAs (Field Programmable Gate Array)

Embedded - FPGAs (Field Programmable Gate Array) with Microcontrollers

Embedded - Microcontroller, Microprocessor, FPGA Modules

Embedded - Microcontrollers

Embedded - Microcontrollers - Application Specific

Embedded - Microprocessors

Embedded - PLDs (Programmable Logic Device)

Embedded - System On Chip (SoC)

Interface - Analog Switches - Special Purpose

Interface - Analog Switches, Multiplexers, Demultiplexers

Interface - CODECs

Interface - Controllers

Interface - Direct Digital Synthesis (DDS)

Interface - Drivers, Receivers, Transceivers

Interface - Encoders, Decoders, Converters

Interface - Filters - Active

Interface - I/O Expanders

Interface - Modems - ICs and Modules

Interface - Modules

Interface - Sensor and Detector Interfaces

Interface - Sensor, Capacitive Touch

Interface - Serializers, Deserializers

Interface - Signal Buffers, Repeaters, Splitters

Interface - Signal Terminators

Interface - Specialized

Interface - Telecom

Interface - UARTs (Universal Asynchronous Receiver Transmitter)

Interface - Voice Record and Playback

Linear - Amplifiers - Audio

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Linear - Amplifiers - Special Purpose

Linear - Amplifiers - Video Amps and Modules

Linear - Analog Multipliers, Dividers

Linear - Comparators

Linear - Video Processing

Logic - Buffers, Drivers, Receivers, Transceivers

Logic - Comparators

Logic - Counters, Dividers

Logic - FIFOs Memory

Logic - Flip Flops

Logic - Gates and Inverters

Logic - Gates and Inverters - Multi-Function, Configurable

Logic - Latches

Logic - Multivibrators

Logic - Parity Generators and Checkers

Logic - Shift Registers

Logic - Signal Switches, Multiplexers, Decoders

Logic - Specialty Logic

Logic - Translators, Level Shifters

Logic - Universal Bus Functions

Memory - Batteries

Memory - Configuration Proms for FPGAs

Memory - Controllers

PMIC - AC DC Converters, Offline Switchers

PMIC - Battery Chargers

PMIC - Battery Management

PMIC - Current Regulation/Management

PMIC - Display Drivers

PMIC - Energy Metering

PMIC - Full, Half-Bridge Drivers

PMIC - Gate Drivers

PMIC - Hot Swap Controllers

PMIC - Laser Drivers

PMIC - LED Drivers

PMIC - Lighting, Ballast Controllers

PMIC - Motor Drivers, Controllers

PMIC - OR Controllers, Ideal Diodes

PMIC - PFC (Power Factor Correction)

PMIC - Power Distribution Switches, Load Drivers

PMIC - Power Management - Specialized

PMIC - Power Over Ethernet (PoE) Controllers

PMIC - Power Supply Controllers, Monitors

PMIC - RMS to DC Converters

PMIC - Supervisors

PMIC - Thermal Management

PMIC - V/F and F/V Converters

PMIC - Voltage Reference

PMIC - Voltage Regulators - DC DC Switching Controllers

PMIC - Voltage Regulators - DC DC Switching Regulators

PMIC - Voltage Regulators - Linear

PMIC - Voltage Regulators - Linear + Switching

PMIC - Voltage Regulators - Linear Regulator Controllers

PMIC - Voltage Regulators - Special Purpose

Specialized ICs

Modules

IGBT

IPM

Thyristors

Rectifiers

Power Supply

Smart Power Module

SCR,GTO and Diode

FET

Darlington Transistors

RF Modules

CNC PRODUCTS

ENCODER

Motor

Servo drive & amplifier & Servo

Diode Module

Transistor Module

Switch Relay

PLC

Inverter

Contactor & Breaker

Elevator Board

Industry Control

Transistors

Diode

Bipolar transistors

Resistors

Carbon Film Resistors

Cement Resistors

Chassis Mount Resistors

Chip Resistor - Surface Mount

Current Sense Resistors

Fusible Chip Resistor

High Precision & Low TCR SMD Resistors

High Voltage Resistor

LED Strip Resistors

MELF Resistor

Metal Alloy Resistors

Metal Film Resistor (TH)

Metal Glaze Resistors

Metal Oxide Film Resistors

Metal Oxide Resistors

NTC Thermistors

PTC Thermistors

Photoresistors

Potentiometers & Variable Resistors

Precision Potentiometer

Resistor Networks & Arrays

Resistor Networks & Arrays (TH)

Ultra Low Resistors (SMD)

Variable Resistors

Varistors

Wirewound Resistors

Capacitors

Aluminum Electrolytic Capacitors - SMD

CL21 Capacitor

Ceramic Disc Capacitors

High Voltage Capacitors

Metallized Polyester Film Capacitor

Multilayer Ceramic Capacitors MLCC - Leaded

Multilayer Ceramic Capacitors MLCC - SMD/SMT

Mylar Capacitor

Niobium Oxide Capacitors

Polyester Film Capacitors

Solid Polymer Electrolytic Capacitor

Supercapacitors & Ultracapacitors

Suppression Capacitors

Tantalum Capacitors

Trimmers, Variable Capacitors

Inductors & Ferrite Beads & Transformers

Antennas

Current Transformers

General Inductors (TH)

HF Inductors

Inductors (SMD)

LINE Filter

Power Inductors

Power Transformer

RJ45 Transformer

Radial Inductor (TH)

The circular inductors

Crystals

49S

49SMD

49U

Ceramic Resonators

DIP Oscillators(XO)

Radial Cylinder Crystals

SAW Resonators

SMD Crystals

SMD Oscillators(XO)

Connectors

AV Connectors

Audio & Video Connectors

Banana and Tip Connectors

Card Edge Connectors

Circular Connectors

Connector - Card Sockets

Connectors

Connectors - Accessories

Connectors - Housings

Contacts

D-Sub Connectors

Ethernet Connectors/Modular Connectors

FFC, FPC (Flat Flexible) Connectors

Fiber Optic Connectors

IC & Component Sockets

LED Light Pipes

Mezzanine Connectors (Board to Board)

PCB Connectors - Headers, Male Pins

PCB Connectors - Headers, Receptacles, Female Sockets

PCB Connectors - Housings

Power Connectors

RF Connectors/Coaxial Connectors

Shunts & Jumpers

Terminal Blocks - Accessories

Terminal Blocks - Barrier Blocks

Terminal Blocks - Din Rail, Channel

Terminal Blocks - Headers, Plugs and Sockets

Terminals

Test Clips

Test Points/Test Rings

USB Connectors

Unspecified Connectors

Screw-type wiring

Spring-type wiring

Pluggable Terminal Blocks

Through-wall Terminal Blocks

Automotive Terminals

Terminal Housings, Insulation Sleeves & Blocks

Quick Disconnect Wire Connectors and Terminals

Spare & Wear Tooling

Automotive Connectors

PCB Connectors

SFP Transceivers

100BASE SFP

1000BASE SFP

CWDM SFP

DWDM SFP

BIDI SFP

SONET/SDH SFP

2G/4G FC SFP

Customized SFP

SFP＋ Transceivers

10G SFP＋

BiDi SFP＋

CWDM SFP＋

DWDM SFP＋

8G/16G FC SFP+

Customized SFP+

XFP Transceivers

10G XFP

BIDI XFP

CWDM XFP

DWDM XFP

Customized XFP

40G/100G Transceivers

40G QSFP+

100G QSFP28

100G CFP

100G CFP2

100G CFP4

25G SFP28

100G CXP

Customized 40G/100G

40G BiDi QSFP+

Active Optical Cables

10G SFP+ to SFP+ AOC

40G QSFP+ to QSFP+ AOC

40G QSFP+ to 4xSFP+ AOC

40G QSFP+ to 8xLC AOC

100G QSFP28 AOC

Customized AOC

25G SFP28 AOC

100G QSFP28 to 4xSFP28 AOC

56G QSFP+ to QSFP+

Direct Attach Cables

10G SFP+ to SFP+ DAC

40G QSFP+ to QSFP+ DAC

40G QSFP+ to 4xSFP+ DAC

25G SFP28 to SFP28 DAC

100G QSFP28 to QSFP28 DAC

100G QSFP28 to 4 SFP28 DAC

Customized DAC

56G QSFP+ to QSFP+

Fiber optic HDMI cable

Optical Fiber Patch Cable

MTP/MPO Plenum Trunks

MTP/MPO-LC Plenum

MTP/MPO LSZH Trunks

MTP/MPO-LC LSZH

OM4 40 100Gb 50/125 Multimode

OM3 10Gb 50/125 Multimode

OM2 50/125 Multimode

OM1 62.5/125 Multimode

OS2 9/125 Singlemode Simplex

OS2 9/125 Singlemode Duplex

OM5 40G 100G 50/125 Multimode

Switchable LC Cables

Uniboot LC Cables

Ultra Low Loss LC SMF

Ultra Low Loss LC MMF

BIF Fiber Cables

Armored Patch Cables

Other Transceivers

Converter Modules

3G/HD-SDI SFP

GBIC Transceivers

PON Transcievers

Transceiver Accessories

Temperature Sensors

Temperature Control Switch

Temperature and Humidity Sensor

Dust Sensor

PM2.5 Sensor

Gas Sensor

Combustible Gas Sensor

Alcohol Sensor

CO Sensor

Hydrogen Sensor

H2S Sensor

CO2 Sensor

Ammonia Sensor

Formaldehyde Sensor

PIR Sensor

Flow Sensors

Pressure Sensors

Other Sensor

Heart Rate Sensor

Optical Sensor

Color Sensor

Ultrasound Sensor

Magnetic Field Sensor

Electric Current Sensor

Voltage Sensor

Liquid Level Sensor

Atmospheric Pressure Sensor

Weather Sensor

Tilt Angle Sensor

Gesture Sensor

Touch Sensor

Flame Senor

Vibration Sensor

Speed Sensor

Fuses

Fast Blow Ceramic Fuses

Fast Blow Glass Fuses

Automotive Fuses

SMD PPTC Resettable Fuses

DIP PPTC Resettable Fuses

LED modules

High-Power LED

SMD LED

LED backlight

COB LED

LED Display

Plug In LED

Infrared Induction

Piranha LED

LED Bulbs

Light Emitting Diode

LED Illuminant Chip

Led Epitaxial Wafers

Red-Light LED

Orange-Light LED

Yellow-Light LED

Green-Yellow Light LED

Green-Light LED

Blue-Light LED

Purple-Light LED

White-Light LED

Other LED Illuminant Chip

LED Displays

Switches

DIP Switches

Mouse Micro Switches

Pushbutton Switches

Rocker Switches

Round Switches

Self-locking & Lock-free Switches

Proximity Switch

Relays

Contactors

Circuit Breakers

Relays

Photoelectric Switches

Buck Converter

Power Interver

Wires & Cables

Battery Case

Brass Screw Bolt

Tools

Security system accessories

Breadboard

Power Adapter

Health Care

Inquiry
BOM Inquiry Place Order Vlog

PLUS member

Plus 6%-10% off+Max $500 coupon

Sign In

3.Enter "account center"->"My inquiries" and check the status of your inquiries

Dear customers, due to the implementation of the GDPR policy in Europe, UTSOURCE has also made adjustment accordingly to meet the policy requirements. Please read the new privacy policy carefully and this window will no longer pop up after you accept it.

I agree all UTSOURCE Terms & Conditions,Privacy Statement
Agree Later Submit

Delivery Address

Alternate Text

+ Add Address

Confirm

The new shipping address

*Country/Region :
*Contact :
*Cell Phone:
+

* Please fill in the cell phone number correctly to make sure that you can receive the tracking info in time.

Country Code
*Address :
*City :
Province/State :
*Province/State :
*Post Code :
Please enter a new 5-digit zip code..
Company :
Cancel
Submit

SMD Crystals

Search results filter:

Home > Passive-components > Crystals > SMD Crystals

Wholesale area

All part number of the brand can be ordered

No intermediate link, the price is more competitive

Produces according to the order, original factory quality guarantee
relate product result :2144 items
Filters:
clear
Alternate Text
Alternate Text Utsource
TSX-3225 25.0000MF10P-C3

Enlarge

Original parts, guaranteed brand new

TSX-3225 25.0000MF10P-C3

3.2 x 2.5 mm

22+

Epson

TSX-3225 25.000000MHZ 18PF ±10PPM -20~+85℃

YXC Technology Co., Ltd

≥25:

US $0.30771

US $0.28924

≥100:

US $0.22234

US $0.20900

≥500:

US $0.16874

US $0.15862

Stock:5460

Minimum:25

Favorite

Quote

FA-20H 40.0000MF10Z-K3

Enlarge

Original parts, guaranteed brand new

FA-20H 40.0000MF10Z-K3

2.5 x 2.0 mm

22+

Epson

FA-20H 40.000000MHZ 10PF ±10PPM -20~+75℃

YXC Technology Co., Ltd

≥25:

US $0.29778

US $0.27991

≥100:

US $0.25808

US $0.24259

≥500:

US $0.21837

US $0.20527

Stock:3155

Minimum:25

Favorite

Quote

FA-20H 16.0000MD30Z-AC

Enlarge

Original parts, guaranteed brand new

FA-20H 16.0000MD30Z-AC

2.5 x 2.0 mm

22+

Epson

FA-20H 16.000000MHZ 9PF ±30PPM -20~+75℃

YXC Technology Co., Ltd

≥25:

US $0.29778

US $0.27991

≥100:

US $0.25808

US $0.24259

≥500:

US $0.21837

US $0.20527

Stock:2100

Minimum:25

Favorite

Quote

MC-306 32.7680KA-A3:PURE SN

Enlarge

Original parts, guaranteed brand new

MC-306 32.7680KA-A3:PURE SN

8.0 x 3.8 mm

22+

Epson

MC-306 32.768000KHZ 12.5PF ±20PPM -40~+85℃

YXC Technology Co., Ltd

≥50:

US $0.35337

US $0.33216

≥500:

US $0.31565

US $0.29671

≥1000:

US $0.26800

US $0.25192

Stock:3161

Minimum:50

Favorite

Quote

MC-306 32.7680KA-A3:PURE SN

Enlarge

Original parts, guaranteed brand new

MC-306 32.7680KA-A3:PURE SN

8.0 x 3.8 mm

22+

Epson

MC-306 32.768000KHZ 12.5PF ±20PPM -40~+85℃

YXC Technology Co., Ltd

≥50:

US $0.35337

US $0.33216

≥500:

US $0.31565

US $0.29671

≥1000:

US $0.26800

US $0.25192

Stock:3161

Minimum:50

Favorite

Quote

YXC YSX321SL 3.2x2.5mm 40MHZ 15PF 10PPM X322540MPB4SI

Enlarge

Original parts, guaranteed brand new

YXC YSX321SL 3.2x2.5mm 40MHZ 15PF 10PPM X322540MPB4SI

SMD3225

22+

YXC

YSX321SL 3225 40MHZ Crystal Oscillator 15PF 10PPM X322540MPB4SI

YXC Technology Co., Ltd

≥10:

US $0.07623

US $0.07166

≥100:

US $0.06988

US $0.06569

≥500:

US $0.06353

US $0.05971

Stock:21310

Minimum:28

Favorite

Quote

TSX-3225 30.0000MF20X-K0

Enlarge

Original parts, guaranteed brand new

TSX-3225 30.0000MF20X-K0

3.2 x 2.5 mm

22+

Epson

TSX-3225 30.000000MHZ 10PF ±10PPM -40~+85℃

YXC Technology Co., Ltd

≥25:

US $0.30771

US $0.28924

≥100:

US $0.22234

US $0.20900

≥500:

US $0.16874

US $0.15862

Stock:2311

Minimum:25

Favorite

Quote

Q24FA20H0019300

Enlarge

Original parts, guaranteed brand new

Q24FA20H0019300

2.5 x 2.0 mm

22+

Epson

Q24FA20H0019300 FA-20H 26.000000MHZ 10PF ±10PPM -40~+85℃

YXC Technology Co., Ltd

≥25:

US $0.29778

US $0.27991

≥100:

US $0.25808

US $0.24259

≥500:

US $0.21837

US $0.20527

Stock:5600

Minimum:25

Favorite

Quote

Q24FA20H0019300

Enlarge

Original parts, guaranteed brand new

Q24FA20H0019300

2.5 x 2.0 mm

22+

Epson

Q24FA20H0019300 FA-20H 26.000000MHZ 10PF ±10PPM -40~+85℃

YXC Technology Co., Ltd

≥25:

US $0.29778

US $0.27991

≥100:

US $0.25808

US $0.24259

≥500:

US $0.21837

US $0.20527

Stock:5600

Minimum:25

Favorite

Quote

YXC YSX321SC Automotive Crystal Oscillator 25MHZ 12PF 10PPM XC322525MOB4SA-18

Enlarge

Original parts, guaranteed brand new

YXC YSX321SC Automotive Crystal Oscillator 25MHZ 12PF 10PPM XC322525MOB4SA-18

3.2 x 2.5 mm

22+

YXC

YXC YSX321SC Automotive Crystal Oscillator 25MHZ 12PF 10PPM XC322525MOB4SA-18

YXC Technology Co., Ltd

≥1:

US $0.26800

US $0.25192

≥100:

US $0.22830

US $0.21460

≥500:

US $0.18859

US $0.17728

Stock:8974

Minimum:25

Favorite

Quote

TSX-3225 16.0000MF09Z-AC0

Enlarge

Original parts, guaranteed brand new

TSX-3225 16.0000MF09Z-AC0

3.2 x 2.5 mm

22+

Epson

TSX-3225 16.000000MHZ 9PF ±10PPM -20~+75℃

YXC Technology Co., Ltd

≥25:

US $0.30771

US $0.28924

≥100:

US $0.22234

US $0.20900

≥500:

US $0.16874

US $0.15862

Stock:3006

Minimum:25

Favorite

Quote

FA-20H 12.0000MD30V-K0

Enlarge

Original parts, guaranteed brand new

FA-20H 12.0000MD30V-K0

2.5 x 2.0 mm

22+

Epson

FA-20H 12.000000MHZ 10PF ±30PPM -20~+70℃

YXC Technology Co., Ltd

≥25:

US $0.29778

US $0.27991

≥100:

US $0.25808

US $0.24259

≥500:

US $0.21837

US $0.20527

Stock:3131

Minimum:25

Favorite

Quote

MC-306 32.7680KB-A5:PURE SN

Enlarge

Original parts, guaranteed brand new

MC-306 32.7680KB-A5:PURE SN

8.0 x 3.8 mm

22+

Epson

MC-306 32.768000KHZ 12.5PF ±50PPM -40~+85℃

YXC Technology Co., Ltd

≥50:

US $0.35337

US $0.33216

≥500:

US $0.31565

US $0.29671

≥1000:

US $0.26800

US $0.25192

Stock:3131

Minimum:50

Favorite

Quote

YST310S 32.768KHz SMD Quartz Crystal Oscillator 3.2x1.5mm

Enlarge

Original parts, guaranteed brand new

YST310S 32.768KHz SMD Quartz Crystal Oscillator 3.2x1.5mm

2P 3215

22+

YXC

YXC Technology Co., Ltd

≥1:

US $0.27793

US $0.26125

≥101:

US $0.23822

US $0.22393

≥3001:

US $0.17867

US $0.16795

Stock:13200

Minimum:10

Favorite

Quote

Q13MC1462000100 MC-146 32.768000KHZ 7PF ±20PPM -40~+85℃

Enlarge

Original parts, guaranteed brand new

Q13MC1462000100 MC-146 32.768000KHZ 7PF ±20PPM -40~+85℃

7.0 x 1.5 mm

22+

Epson

Q13MC1462000100 MC-146 32.768KHz 7PF ±20PPM -40~+85℃

YXC Technology Co., Ltd

≥50:

US $0.30969

US $0.29111

≥500:

US $0.25014

US $0.23513

≥1000:

US $0.20090

US $0.18885

Stock:78160

Minimum:50

Favorite

Quote

FA-128 26.0000MF10Z-AC0

Enlarge

Original parts, guaranteed brand new

FA-128 26.0000MF10Z-AC0

2.0 x 1.6 mm

22+

Epson

FA-128 26.000000MHZ 9PF ±10PPM -40~+85℃

YXC Technology Co., Ltd

≥25:

US $0.26205

US $0.24632

≥100:

US $0.22234

US $0.20900

≥500:

US $0.19852

US $0.18661

Stock:3131

Minimum:25

Favorite

Quote

FA-128 26.0000MF10Z-AC0

Enlarge

Original parts, guaranteed brand new

FA-128 26.0000MF10Z-AC0

2.0 x 1.6 mm

22+

Epson

FA-128 26.000000MHZ 9PF ±10PPM -40~+85℃

YXC Technology Co., Ltd

≥25:

US $0.26205

US $0.24632

≥100:

US $0.22234

US $0.20900

≥500:

US $0.19852

US $0.18661

Stock:3131

Minimum:25

Favorite

Quote

FA-20H 12.0000MD20X-K3

Enlarge

Original parts, guaranteed brand new

FA-20H 12.0000MD20X-K3

2.5 x 2.0 mm

22+

Epson

FA-20H 12.000000MHZ 10PF ±30PPM -40~+85℃

YXC Technology Co., Ltd

≥25:

US $0.29778

US $0.27991

≥100:

US $0.25808

US $0.24259

≥500:

US $0.21837

US $0.20527

Stock:2100

Minimum:25

Favorite

Quote

YXC YSX321SL 3.2x2.5mm 9.8304MHZ 12PF 10PPM X322598304MOB4SI-1

Enlarge

Original parts, guaranteed brand new

YXC YSX321SL 3.2x2.5mm 9.8304MHZ 12PF 10PPM X322598304MOB4SI-1

SMD3225

22+

YXC

YSX321SL 3225 9.8304MHZ Crystal Oscillator 12PF 10PPM X322598304MOB4SI-1

YXC Technology Co., Ltd

≥5:

US $0.15723

US $0.14779

≥100:

US $0.15008

US $0.14108

≥500:

US $0.14293

US $0.13436

Stock:1230

Minimum:14

Favorite

Quote

TSX-3225 25.0000MF20X-W

Enlarge

Original parts, guaranteed brand new

TSX-3225 25.0000MF20X-W

3.2 x 2.5 mm

22+

Epson

TSX-3225 25.000000MHZ 12PF ±10PPM -40~+85℃

YXC Technology Co., Ltd

≥25:

US $0.30771

US $0.28924

≥100:

US $0.22234

US $0.20900

≥500:

US $0.16874

US $0.15862

Stock:8900

Minimum:25

Favorite

Quote

No matching goods? Inquiry here.
<<<1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...107 >>>
Alternate Text
Alternate Text

Currency:

Alternate Text Alternate Text Alternate Text

Product New Used

Stop production experts, we can provide a large number of electronic components that have been stopped production and are difficult to find, to facilitate the maintenance company

Alternate Text Stock

Non-Stock

Non-Stock

Toll-Free Call

(888) 766 5577 USA & Canada

+52 5515436027
+52 5515436028 Mexico

+55 21 3609 8727 Brazil

(800) 137235 Italy

(900) 649657 Spain

sales@utsource.com

+1 (312) 899-4831 WhatsApp

APP

app code

GLOBAL PAYMENTS

footPay More

Global logistics

footShip
Copyright © 2022 Power by UTSOURCE INTERNATIONAL LIMITED ISO/IEC 20000-1:2011,ISO/IEC 27001:2013 鄂ICP备2021003526号-1