Diyatel Electronic Co., Ltd. (ISO9001:2000 certified) was established in 2004. Our factory covers an area of 2000 square meters and has 500 personnel. Our company specializes in the R&D, manufacture and marketing of breathalysers and electronic gifts in China. Diyatel R&D Center has the first-grade team of more than 50 engineers, advanced test equipment, scientific methods and s project management system in line with international standard. They are ready for supplying professional and ...