

EXPERTISE & EXPERIENCE
What is L&J Technology
L&J Technology is a CNC precision machine shop, prototype machining and custom production CNC milling and turning facility located in Ontario, California. We have provided parts for customers from industries in aerospace, medical, automotive, and many other industrial and commercial fields. Our company takes pride in delivering world class parts and focuses on meeting requirements to support our customers.
DELIVERING PRECISION
Machining Mastery: Where Precision Meets Production

Aerospace Industry

Medical Industry

Commercial and Industrial
L&J Technology
L&J Technology
Our Best services
Why we are different



Precision CNC Milling
L&J Technology provides a complete array of services for all your manufacturing needs. We work diligently to deliver on time and meet or exceed your expectations.
CNC Turning
The CNC Turning center at L&J Technology enables the fabrication of precision parts via advanced lathes. We work with a variety of materials to achieve superior geometries and tolerances.
PRODUCTION ASSEMBLY
Our highly qualified assembly department can handle all your assembly needs, using the same AS9100D quality control found in all our products.