DOAHO was established in 2010, dedicating in the field of Environmental test chambers. We specialized in climatic test chamber, including bench top climatic chambers, standard chambers, thermal shock chambers, walk in chambers, customized chambers and ovens. mechanical testing and other large comprehensive testing instrument. With certificate of ISO9001 and CE, DOAHO has been working hard to improve quality control system, and now is producing most reliable chambers for customers around world. Thanks to the partners in Europe, USA and Asian, we are expanding with rapid pace, servicing more and more customers is what we are proud of.