Power Supply and Battery Charger Solution & Manufacturing 中文

WHY CHOOSE LYD

SINCE 2001

21 years focused on power adapter & battery charger development and manufacturing
1.The founder of LYD focused on product design, R&D, technology innovation, customization service and marketing for 21 years.2.LYD has strong R&D team, and our chief engineer has 21 years R&D experience in power supply;3.LYD provides professional power solutions for Rheem, LG, Kenwood, BYD, Foxconn, Haier and TCL, etc;4.LYD built up intelligent Industry 4.0 workshop with fully automatic production line, which passed ISO9001:2015 international quality management system. LYD wins continuous awards as China Hi-tech Enterprise;5.LYD has fully completed supply chain systems, and choose global famous brands of electronic components like Infineon, ST, TI, ON, TDK, Toshiba, Sanyo, Rubycon as honorary partners.6. LYD built up our own laboratory to guarantee the reliability, stability and safety of of the power adapters. LYD produces 3.5 million high quality power supplies every month.

POWER SUPPLY SOLUTION & MANUFACTURING

ADVANTAGE

LYD power adapters and battery charger meet all kind of electronic industries standard. With 21 years experience of the chief engineer in power supply, LYD not only provides power adapter with superior performance, but also provides optimized solutions for customers in reliability testing, EMI/EMC compatibility, function and energy efficiency.

Walk in LYD

About LYD

Guangdong Lianyunda Electronic CO.,LTD (LYD) was established in 2001, it is a professional power manufacturer with important influence around the world. LYD is a global power adapter specializing in AC/DC, DC/DC intelligent power adapter solutions. As an industry benchmark enterprise, LYD integrates R&D, manufacturing, sales and service. LYD is a National Hi-Tech Enterprise and has passed ISO9001:2015 quality management system certification. LYD owns the LYD brand and devotes to provide power adapter OEM/ODM solutions, which is good at solving customer product matching problems.
  1. Certificates
  2. R&D Team
  3. Workshop
  4. Equipment
  5. Exhibition Pictures

Conprehensive safety and EMC certificates

LYD Passed 105 countries national safety certification such as UL, CUL, TUV-GS, CCC, CB, UKCA, PSE, KC, KCC, SAA, FCC, CE, AR, RoHS, DOE VI, etc. LYD power adapter passed many kinds of safety certification standards such as UL1310 class 2, medical power supply UL60601-1 / IEC60601-1, IT standard 62368 / 60950, home appliance standard 60335, power transformer 61558, LED lighting standard 61347 and so on to fulfill all needs of customers in various industries, also EMC,EMI, FCC are included.

  • ISO9001 2015
    ISO9001 2015
  • New Hi-Tech Enterpri
    New Hi-Tech Enterpri
  • ISO9001 2015

    ISO9001 2015

  • New Hi-Tech Enterpri

    New Hi-Tech Enterpri

  • UL

    UL

  • KC

    KC

  • TUV GS

    TUV GS

  • CE

    CE

  • CCC

    CCC

  • UKCA

    UKCA

  • PSE

    PSE

  • SAA

    SAA

  • FCC

    FCC

  • FCC

    FCC

R&D Team

LYD has strong R&D team, and our chief engineer has 21 years R&D experience in power supply.

  • R D Team
    R D Team
  • R D Team
    R D Team
  • R D Team

    R D Team

  • R D Team

    R D Team

  • R D Team

    R D Team

  • R D Team

    R D Team

  • R D Team

    R D Team

Workshop

LYD Garden type industrial park which is covering 12000m2, integrating Office Building, Production Building, Dormitory Building. LYD provides a perfect environment for employees.

  • AGING
    AGING
  • AOI
    AOI
  • AGING

    AGING

  • AOI

    AOI

  • ASSEMBLE

    ASSEMBLE

  • DIP

    DIP

  • packing

    packing

  • SMT

    SMT

Equipment

LYD built up intelligent Industry 4.0 workshop with fully automatic production lines including SMT Machine, AI Machine, Wave Soldering Machines, Automatic Injection Machines, Automatic Assembling Machine, Automatic Ultrasonic Wave Machine, Automatic Testing Equipment, etc.

  • Equipment
    Equipment
  • Equipment
    Equipment
  • Equipment

    Equipment

  • Equipment

    Equipment

  • Equipment

    Equipment

  • Equipment

    Equipment

  • Equipment

    Equipment

  • Equipment

    Equipment

  • Equipment

    Equipment

  • Equipment

    Equipment

Exhibition pictures

LYD participated in the global professional exhibitions actively, to expand the global sales network. Our products are exported to more than 150 countries.

  • KR
    KR
  • KR
    KR
  • KR

    KR

  • KR

    KR

  • HK

    HK

  • HK

    HK

  • Germany

    Germany

  • Germany

    Germany

QUALITY CONTROL

QUALITY CONTROL

  • IQC incoming inspection
    Inspection purpose : o prevent the delay of delivery due to bad material process caused by bad material
    Inspection standard : inspection specification for raw materials.
    Testing equipment : pressure tester, transistor tester, bridge, DC current and leakage current tester, environmental protection tester, swing tester, salt fog tester, flame retardant tester, etc.
  • SMT first piece inspection
    Inspection purpose : to ensure that the components of the production model are fully consistent with the customer's assembly drawings and material list, so as to prevent the undesirable flow from the next process
    Inspection standard : according to Bom and Gerber data, measure and detect each material of the first board
    Inspection equipment : TH2817B, TH2830A, magnifying glass.
  • IPOC process control
    Inspection purpose : to ensure quality during product formation
    Inspection standard : refer to BOM list, product specification, product test specification, IPC-A-610E, product reliability verification standard, etc.
    Inspection equipment : ATE, electronic load, high voltage instrument, ripple tester, leakage current tester, etc.
  • Semi-finished product testing
    Inspection purpose : to ensure the quality of semi-finished products in the process of forming.
    Inspection standard : refer to BOM list, product specification, product test specification, IPC-A-610E and so on.
    Inspection equipment : ATE, electronic load, ripple tester, etc.
  • Finished product aging test
    Inspection purpose : to ensure the service life of the product.
    Inspection standard : product specification, product test specification, etc.
    Inspection equipment : computer automatic aging system.
  • Finished product 100% test
    Inspection purpose : to ensure the quality of each product.
    Inspection standard : refer to BOM list, product specification, product test specification, product reliability verification standard, etc.
    Inspection equipment : ATE, electronic load, high voltage instrument, ripple tester, leakage current tester, etc.
  • QA check
    Inspection purpose : to ensure the quality of products shipped
    Inspection standard : refer to BOM list, product specification, product test specification, product reliability verification specification, finished product appearance inspection standard, etc.
    Inspection equipment : ATE, high voltage instrument, ripple tester, leakage current tester, etc.
  • EMC/EMI spot check
    Inspection purpose : to ensure that products meet electromagnetic compatibility requirements
    Inspection standard : refer to EN55032, EN55024, EN55020 and so on
    Inspection equipment : radiation and conduction tester.
  • Reliability test
    Inspection purpose : to ensure the safety, service life and compliance of the product
    Inspection standard : product specification, product reliability verification
    Inspection equipment : ATE, high voltage instrument, ripple tester, leakage current tester, constant temperature and humidity box, conduction tester, electrostatic tester, plug and play tester, ball pressure tester, point temperature tester, etc.
  • IQC incoming inspection
  • SMT first piece inspection
  • IPOC process control
  • Semi-finished product testing
  • Finished product aging test
  • Finished product 100% test
  • QA check
  • EMC/EMI spot check
  • Reliability test
IQC incoming inspection
Inspection purpose:to prevent the delay of delivery due to bad material process caused by bad material.
Inspection standard:inspection specification for raw materials.
Inspection equipment:pressure tester, transistor tester, bridge, DC current and leakage current tester, environmental protection tester, swing tester, salt fog tester, flame retardant tester, etc.

SMT first piece inspection
Inspection purpose:to ensure that the components of the production model are fully consistent with the customer's assembly drawings and material list, so as to prevent the undesirable flow from the next process.
Inspection standard:according to Bom and Gerber data, measure and detect each material of the first board.
Inspection equipment:TH2817B, TH2830A, magnifying glass.

Semi-finished testing
Inspection purpose: to ensure quality during product formation
Inspection standard:refer to BOM list, product specification, product test specification, IPC-A-610E, product reliability verification standard, etc.
Inspection equipment: ATE, electronic load, high voltage instrument, ripple tester, leakage current tester, etc.

100% loading Aging testing
Inspection purpose:确保半成品形成过程中质量
Inspection standard:参照BOM表、产品规格书、产品测试规范、IPC-A-610E等
Inspection equipment:ATE、电子负载、纹波测试仪等

finished product testing
Inspection purpose:to ensure the quality of semi-finished products in the process of forming.
Inspection standard:product specification, product test specification, etc.
Inspection equipment:computer automatic aging system.

Hi-pot & ATE testing
Inspection purpose:to ensure the quality of each product.
Inspection standard:refer to BOM list, product specification, product test specification, product reliability verification standard, etc.
Inspection equipment: ATE, electronic load, high voltage instrument, ripple tester, leakage current tester, etc.

QA check (100% OQC testing )
Inspection purpose:to ensure the quality of products shipped
Inspection standard:refer to BOM list, product specification, product test specification, product reliability verification specification, finished product appearance inspection standard, etc.
Inspection equipment:ATE, high voltage instrument, ripple tester, leakage current tester, etc.

EMC EMI spot check
Inspection purpose:to ensure that products meet electromagnetic compatibility requirements
Inspection standard:refer to EN55032, EN55024, EN55020 and so on
Inspection equipment:radiation and conduction tester.

Reliability testing
Inspection purpose: to ensure the safety, service life and compliance of the product
Inspection standard:product specification, product reliability verification
Inspection equipment:ATE, high voltage instrument, ripple tester, leakage current tester, constant temperature and humidity box, conduction tester, electrostatic tester, plug and play tester, ball pressure tester, point temperature tester, etc.

Honor

CUSTOMER

  • Taiwan qiangmao

    Taiwan qiangmao

  • Leadtrend

    Leadtrend

  • SANYO

    SANYO

  • Fujifilm

    Fujifilm

  • Toshiba

    Toshiba

  • Ansenmey on

    Ansenmey on

  • Korea auk

    Korea auk

  • France st

    France st

  • infineon

    infineon

  • VISHAY

    VISHAY

Taiwan qiangmao

Taiwan qiangmao

Leadtrend

Leadtrend

SANYO

SANYO

Fujifilm

Fujifilm

Toshiba

Toshiba

Ansenmey on

Ansenmey on

Korea auk

Korea auk

France st

France st

infineon

infineon

VISHAY

VISHAY

  1. Company news
  2. Industry news
  3. Common questions
Service Hotline:13662585982