QDC Technology is a clear leader in quality, reliability & customer service. QDC is focused on a limited portfolio of products and services so that our quality is maintained to the highest standard. We currently calibrate and repair a variety of directional tools as well as produce our own 175°C Orientation Module (OM) which has proven to be the most accurate and reliable OM available on the open market. QDC backs all of its products with an industry leading 3 year warranty.