| Mailing Address Box 802050 Santa Clarita, CA 91380 Physical Address 33336 N. Agua Dulce Canyon Road # 101 Agua Dulce, CA 91390 Office Hours Monday – Thursday: 8am to 5pm PST Friday: 8am – 3pm PST Monday – Friday (Lunch Time): 12pm – 1pm PST Contact Numbers P. 661-259-0700 F. 661-259-0900 Contact Email quote@yjinc.com – engineering quotes info@yjinc.com – general information accounting@yjinc.com – accounting information |