Expert PCB Assembly Services

About Us

WELLEX is a full-service electronic contract manufacturer, founded in 1983 to support OEM companies with all phases of their manufacturing requirements, from product design through production. Wellex maintains facility in Fremont, California to offer solutions. Our goal is to enable our customers to go to market at best price. 

Why Wellex

- Made in USA

  • High Speed Flexible SMT equipment
  • SMT recognize and place parts from 01005(0402 metric) to 74mm
  • BGA and Passives Package-On-Package SMT assembly
  • Micro BGA
  • Low-Med-High Volume, Prototypes and Quick-turn

Manufacturing Process

Products manufactured range from individual printed circuit boards to completely assembled and tested systems. Our PCB services include Surface Mount Assembly (SMT), Through Hole/Mixed Technology Assembly, Box Build and System Integration, Prototype & Pre-Production runs, and Specialized Rework. The production department also features complete inspection and testing services including Microscope, AOI, 3D X-Ray, ICT, Functional, Flying Probe, Burn in, HiPot, and Box Build Test as required to meet manufacturing standards and to ensure overall customer satisfaction.


A Comprehensive Manufacturing Solution

Wellex customer focus team members are assigned to every client, ensuring accurate completion dates on prototype, or testing needs; they also provide assistance for purchasing, design and manufacturing through delivery of final product. Our teams are experienced in Build to Order, Just In Time (JIT), and Demand Pull, and they understand the need to produce outstanding products in a timely manner.

Our mission is to provide our clients with electronic and mechanical assemblies built to their specifications at the lowest cost while maintaining the highest product quality. With our experienced staff of engineers, and facilities in Fremont, CA, Wellex is able to give our customers a competitive advantage in their specific markets.


The Wellex Advantage

  • Active/Involved Executive Management.

  • Flexibility to support Turnkey, Consigned, or mixed business models.
  • Quick turn prototyping manufactured on production equipment with thorough DFx feedback.
  • Responsive to the customer's needs.