PPG Cuming Microwave Corporation is an ISO 9001:2015 US manufacturer of C-RAM® RF/Microwave absorbers, C-STOCK® low-loss dielectric materials, and PPG C-SHIELD™ conductive materials, serving defense and commercial markets for over 40 years. Cuming-Lehman Chambers, a wholly owned subsidiary, provides design, project management and installation of new anechoic chambers, specialty test boxes, and other RF test environments. When your project calls for a retrofit, refurbishment or relocation of an existing chamber our expert staff will guide you through all of the considerations. Call 508-521-6700 or email cmcsales@ppg.com Point browsers to www.cuminglehman.com www.cumingmicrowave.com