Power Adapter Solution & Manufacturing
WHY CHOOSE LYD
SINCE 2001
18 years focused on power adapter development and manufacturing
There are more than 1000 models of power supply in Lian Yunda, which is the world's leader. The power of product various from 5~1000W, voltage from 3-56V, current from 0.3-83A. The company’s products have a wide range of specifications, covering AC adapter, DC-DC power supply, battery charger, open frame power supply and sense- touching dimmable function LED power supply, etc.
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Power Adapter Solution & Manufacturing
ADVANTAGE
We must provide our customers with a valuable product that meets the customer's expectations and is regularly reviewed to ensure a commitment to continuous improvement.
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 ISO:9001:2015 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.
  • COMPREHENSIVE QUALIFICATION CERTIFICATION
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    The certificate standard includes UL 1310 class 2 standard, medical standard 60601, IT standard 60950, home appliance standard 60335, 61558, and lighting standard 61347 to meet the needs of customers in various industries.
  • OEM service team
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    The founder of the company focuses on the realization of customer needs in the product design and development technology market.Chief Engineer 30 R&D Experience People R&D Team
  • Factory Environment
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    The founder of the company focuses on the realization of customer needs in the product design and development technology market.Chief Engineer 30 R&D Experience People R&D Team
  • Workshop / Equipment
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    LYD has the assurance of comprehensive manufacturing capabilities, complete supply chain management and subsequent product maintenance.
  • Exhibition Picture
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    You can expand your sales market in all areas of information, healthcare and industry.
Quality Assurance
reliable
All products pass the 2-4 hours full load aging test before leaving the factory, the high qualified rate is good, the defective products are replenished free of charge and bear the freight.
  • 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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