DVL is dedicated to the field of optical video products, research and development, manufacturing, ales and after-sales service. The products are used extensively in minimally invasive medical applications, armed police and anti-terrorism units and in heavy industry exploration. Relying on abundant technical strength, DVL undertakes key national and provincial scientific research and with it has achieved more than 20 national patents, several computer software copyright registration certificates and was successful in obtaining the 2008 national and local “SME Innovation Fund” award..

DVL developed the first Medical Endoscopic Camera in China with independent intellectual property rights whereupon it earned the award of “National New Key Product”. In 2008 DVL won the “Science and Technology Progress Award” for the newly developed wireless video gun sight, (with the chain of command) the wireless audio visual firearms system and the endoscopic anti-terrorism reconnaissance system, all used by the Armed Police of China(of Armed Police Headquarters). DVL has also provided the relevant equipment for anti-terrorism training at the 2008 Beijing Olympic Games. The portable endoscopic detect life system earned the award of “National New Key Product” in 2010 year.

Presently the products have been certified by ISO9001, ISO13485 and the CE international quality management system. DVL makes products design, development, production and services strictly in accordance with the quality management system with sound and efficient operational functions of the company, in order to provide the highest quality service in all areas.