Electronics Manufacturing Services since 1994

Longmax was founded in 1994 and has grown to be one of the leading Electronics Manufacturing Services (EMS) providers in Hong Kong .

Over the years, Longmax has been providing turnkey OEM solutions to our customers. With our expertise in project management, it allows us to exercise greater control in quality, delivery and cost. Customers are beneficial from our competitive services ranging from design to circuit-fabrication, injection mold design and building, plastics injection, die-casting, PCB assembly, final system assembly, functional tests, reliability tests, compliance certification, packaging and logistics management.

Electronics Manufacturing Services

PCB assembly

10 Reasons to Choose Longmax for Electronics Manufacturing Services

Choose Electronics Manufacturing Services partner is always challenging but important job. Here we listed 10 reasons why you should choose Longmax:

  1. Capabilities

    We provide full turnkey manufacturing services: Plastic injection, Mold Making, Design for Manufacturing Analysis, SMT, PCB Assembly, Reliability Testing, Compliance Test, Cost Reduction Analysis, Logistics Planning.

  2. Experience

    Engineering team with more than 20 years experience are ready to make your product better.

  3. Products and Components Quality

    Longmax examines our products, working procedures, components and suppliers with the highest standards.

  4. Confidenitiality

    Your information are well protected. We do not tolerant any information leakage.

  5. Quality System

    Longmax is ISO9001 and ISO14001 accredited. Besides that, we do regularly assess Risk Management and Social Responsibilities compliance.

  6. Effective Communication

    Dedicaed Account Manager is assigned to every customer. That ensure effective communication for all matters from RFQ to shipment.

  7. Flexible Production Plan

    We are flexible and capable of scale up or down our production plan to fulfill fast-changing market demand. Longmax is experienced in High Mix Low Volume (HMLV) production. We offer you the flexibility in inventory control in fast changing market environment.

  8. Reputation and History

    We have been in the Contract Manufacturing business since 1994. Most of our customers have been working with us for more than 10 years. Over 90% of our clients came to us by customer referral. It is crucial that your Manufacturing Partner will stay in the business in next 10 years.

  9. Low Total Cost

    Total cost is not the same as unit cost. Good quality products with on time shipment will dramatically reduce your cost in shipment and after sales returns. Average field return rate of our products are <0.05% that save a lot of after sales service cost.

  10. Convenient Location

    Our production plan is located in Dongguan, well-known manufacturing hub in South China. The excellent location provides you the shortest time-to-market manufacturing leadtime.

Electronics Manufacturing Services
Electronics Manufacturing Services

Brief history of Longmax

  • 2022 – 15000 sqm new plant in Dongguan is opened.
  • 2019 – ISO14001 Accredited.
  • 2019 – Provide Electronics Manufacturing Services to startup companies to produce their hot-selling products.
  • 2013 – OEM LED Lighting Products for Japanese customers.
  • 2012 – Moved to a 7000 sqm new plant.
  • 2011 – Security Products OEM/ODM for major customer.
  • 2008 – Build LED Lighting Products for Acusense.
  • 2002 – Accredited ISO9001.
  • 2000 – Moved to a plant with 4000 sqm. Started Electronics OEM business.
  • 1998 – Antenna OEM business started.
  • 1994 – Longmax Industries Limited was established in Hong Kong.