QTP Environmental offers sales, distribution technical support and service for Environmental Test Products. Our main focus is Environmental Test Chambers and related products/services. Our main product supplier CTS GmbH is a leading EU manufacturer of Environmental Test Chambers. CTS Environmental Test Chambers have been in use widely across the United Kingdom since the mid 1990’s in multiple industries. QTP Environmental is a UK limited company operating from offices and workshops in Sudbury on the Suffolk/Essex border.