Showcasing DTH Hammers & Bits in Central Hall 3-5 Booth C31610 THOMPSON, CONNECTICUT USA – Numa, the world’s leading designer and manufacturer of down hole hammers and bits, will be attending CONEXPO-CON/AGG 2017 taking place in Las Vegas, Nevada March 7 – 11, 2017. Numa will be located in Central Hall 3-5 Booth C31610 with experienced staff on hand…