According to our records, this business is located at 20522 Carrey Rd. in Walnut (in Los Angeles County), California 91789, the location GPS coordinates are: 34.015965 (latitude), -117.8569884 (longitude). Cheng & Assoc Inc is categorized under Noise Control Equipment (SIC code 5084). Known organization owner is Robert Cheng. Current estimates show that the unit has a sales volume of $1,088,000 and staff of approximately 2 people. You can contact the company by phone at (909) 839-0506.