Latest news releases from PR.com for Nonmetallic Mineral Mining & Quarrying. http://www.pr.com/press-releases Sat, 11 Oct 2008 01:02:37 -0500 http://www.pr.com/images/logo_white.jpg http://www.pr.com/ 68 69 PR.com provides Free Press Release Distribution, & is a unique Directory of Businesses, Products, Services, & Jobs - in all industries. Find Full Company Profiles. © 2008 PR Worldwide, Inc. 60 http://www.pr.com/press-release/99644 Matrix Design Group has received MSHA IS Approval for its Miner and Equipment Tracking System (METS) [PR.com - August 10, 2008] Matrix Design Group http://www.pr.com/press-release/99644 http://www.pr.com/press-release/96829 World Minerals launches new products to control plate out in PVC pipe and profile manufacturing. They were designed by World Minerals to reduce die build up or “plate out” on the extrusion line and improve overall quality and surface finish of the extruded part. [PR.com - July 23, 2008] World Minerals, a member of Imerys http://www.pr.com/press-release/96829