Astone Equipment specializes in obsolete and decommissioned equipment, purchasing used power plant equipment coast to coast. We buy one piece or the entire. Mason Industries also provides on-site recovery of refrigerant and removal from site. Our firm is fully insured and all removal is done in a safe, timely, and professional manner. Our mission is to be a trusted national supplier of used process plants and equipment and an innovative partner in helping companies safely and effectively minimize the risks associated with plant closures while maximizing the value recovered.