According to our records, this business is located at 117 Melrose Ave. in Ontario (in San Bernardino County), California 91761, the location GPS coordinates are: 34.062776 (latitude), -117.64284 (longitude). Quality Controlled Precision is categorized under Honing and Lapping Services (SIC code 3479). Current estimates show that the unit has a sales volume of $788,000 and staff of approximately 4 people. You can contact the company by phone at (909) 986-6405.