RNG Consultancy is able to offer a wealth of knowledge and experience on all aspects of glass processing, quality management, control and assessment, product specification and offers an independent third party investigation service, including spontaneous breakage and optical distortion. RNG Consultancy is also regarded as leading experts in the field of glass toughening (tempering), heat strengthening and heat soak testing. As technical glass consultants and understanding the constraints and properties of the material concerned we can support, guide and advise where necessary, enabling all parties to meet their design goals.