Longmax was founded in 1994 in Hong Kong and has grown into one of the city's leading Electronics Manufacturing Services providers. We deliver turnkey OEM solutions worldwide, with project management discipline that keeps quality, delivery, and cost in our customers' control.

Our scope covers design, circuit fabrication, injection mold design and building, plastic injection, die-casting, PCB assembly, final system assembly, functional and reliability testing, compliance certification, packaging, and logistics.

By leveraging our exceptional research and development capabilities, we adapt quickly to the rapidly changing market. We provide full lifecycle solutions —from planning and design to after-market services —ensuring reduced costs and faster time-to-market for our customers.