Power Adapter Solution & Manufacturing
WHY CHOOSE LYD
SINCE 2001
19 years focused on power adapter development and manufacturing
1.The founder of LYD focused on product design, R&D, technology innovation, customization service and marketing for 19 years. 2.LYD has strong R&D team, and our chief engineer has 30 years R&D experience in power supply; 3.LYD provides professional power solutions for Rheem, LG, Kenwood, BYD, Foxconn, Haier and Huawei, 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.
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POWER ADAPTER SOLUTION & MANUFACTURING
ADVANTAGE
LYD power adapters meet all kind of electronic industries standard. With 30 years experience of the chief engineer in power adapter, 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.
1
OEM/ODM Solution
According to customer requirements, LYD promise Quick R&D, Quick Sample Making, Quick Molding Making, Quick Submission of Certification, Quick Delivery service.
  • Solution design: Within 4 hours providing solution design
  • Quick Sample Making: Within 2-3 days sample making
  • Quick Molding Making: Within 3-4 weeks molding making
  • Certification Period: Within 4-8 weeks molding making
  • Delivery Time: Within 7-15 days finished production
2
Quality Control
18 years focus on power adapter solution and manufacturing
  • Passed ISO9001:2015 International Quality Management System
  • National High-tech Enterprise
  • Passed 145 countries national safety certification such as UL, CUL, TUV-GS, CCC, CB, PSE, KC, KCC, SAA, FCC, CE, RoHS, DOE VI, etc
  • LYD self-built laboratory provides guarantee for product reliability, stability, security and safety
  • 12 steps quality control flow,especially 100% loading aging testing and 100% OQC testing
3
Manufacturing Capability
Completed Automatic production equipments and supply chain supporting facilities
  • Dongguan LYD Self-built Industrial Park: 12,000 square meters of plant, integrating Supply Chain, Laboratory, R&D, Manufacture and Sales
  • Jiangxi factory: mainly manufacture consumer electronics and small household appliances with competitive price
4
Service and Support
  • Free lifelong consulting service
  • Free solution design
  • Free solutions for product matching problem
  • Provide printed LOGO or Laser engraving LOGO
  • Warehouse Stock products shipped within 48hours
  • Warranty: first years for replacement, second years for mantainance
walk in lyd
ABOUT US
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.
  • COMPREHENSIVE QUALIFICATION CERTIFICATION
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    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.
  • R & D team
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    LYD has strong R&D team, and our chief engineer has 30 years R&D experience in power supply.
  • Factory Environment
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    LYD Garden type industrial park which is covering 12000m2, integrating Office Building, Production Building, Dormitory Building. LYD provides a perfect environment for employees.
  • Workshop / Equipment
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    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.
  • Exhibition Pictures
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    LYD participated in the global professional exhibitions actively, to expand the global sales network. Our products are exported to more than 150 countries.
Quality Assurance
reliable
LYD always strictly executed ISO9001:2015 quality management system to keep the high qualified rate of power adapters. LYD will run 9 steps of quality control process for every power adapters. You could see each quality control process as below very clearly.
  • IQC incoming inspection
    • Purpose of inspection:
      o prevent the delay of delivery due to bad material process caused by bad material
    • Inspection Standards:
      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
    • Purpose of inspection:
      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 Standards:
      According to Bom and Gerber data, measure and detect each material of the first board
    • Inspection equipment:
      TH2817B, TH2830A, magnifying glass.
  • Semi-finished testing
    • Purpose of inspection:
      To ensure quality during product formation
    • Inspection Standards:
      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.
  • Finished product testing
    • Purpose of inspection:
      Eliminate bad process due to poor materials on the line, and delay delivery
    • Inspection Standards:
      Raw Material Inspection Specifications
    • Inspection equipment:
      Voltage tester, transistor tester, bridge, DC current, leakage current tester, environmental tester, swing tester, salt spray tester, flame retardant tester, etc.
  • 100% loading Aging testing
    • Purpose of inspection:
      To ensure the service life of the product.
    • Inspection Standards:
      Product specification, product test specification, etc.
    • Inspection equipment:
      Computer automatic aging system.
  • Hi-pot & ATE testing
    • Purpose of inspection:
      Eliminate bad process due to poor materials on the line, and delay delivery
    • Inspection Standards:
      Raw Material Inspection Specifications
    • Inspection equipment:
      Voltage tester, transistor tester, bridge, DC current, leakage current tester, environmental tester, swing tester, salt spray tester, flame retardant tester, etc.
  • QA check (100% OQC testing )
    • Purpose of inspection:
      To ensure the quality of products shipped
    • Inspection Standards:
      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
    • Purpose of inspection:
      To ensure that products meet electromagnetic compatibility requirements
    • Inspection Standards:
      Refer to EN55032, EN55024, EN55020 and so on
    • Inspection equipment:
      Radiation and conduction tester.
  • Reliability testing
    • Purpose of inspection:
      To ensure the safety, service life and compliance of the product
    • Inspection Standards:
      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.
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