Dooway is a high-tech company focusing on developing precision instruments, whose headquarters and factory located in Shanghai Caohejing High-tech Park. We've been working on providing customers with high performance and high reliable precision instruments products.Our main products are DW series Gasoline Octane Engine Unit, Diesel Cetane Engine Unit and Oil Sample Auto-blending Unit. All of them are strictly in compliance with ASTM and GB/T standard requirements, and GOST models can also be provided at request. With completely independent intellectual property rights , these products have been used widely in many refineries, quality inspection agencies in China and can be completely replaced with the expensive imported instruments in ways of whether the functional performance or the accuracy and stability of the test results.We have been upholding the management idea" focus on the major, and make the best", pursue continuously the business goal of "making each DOOWAY product become the industry classic and the pride of the users".