12/25/2025
Merry Christmas from Sierra Assembly! 🎄
Thank you for being part of our journey. We wish you a safe, happy, and prosperous holiday season.
Specializing in electronic circuit board assembly services. Various capabilities include engineering Sierra Assembly Technology Inc.
14764 Yorba Court
Chino, CA
91710
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |
Be the first to know and let us send you an email when Sierra Assembly Technology LLC posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.
Send a message to Sierra Assembly Technology LLC: