DUTA is the major specialised producer of pressure vessel safety accessories, special rupture disks and safety valve devices. It is also the only technology leading entreprise that has formed a closed-loop management and control in the industrial safety production process, and the only manufacturer who obtained the production licenses for both rupture disk devices and safety valve devices in China.

DUTA gained a dozen inventions, practical patents and national, provincial and departmental awards, and developed indepentantly dozens types of special rupture disks and safety valve products. All rupture disk device is custome made, and undergoes the strict safety tests prior to delivery in order to ensure ultimately the realiable quality and constant performance, the products therefor comply with the national and international standards, and obtained PED and other relevant international certifications, such as ASME. The products have already exported to Italy, Germany, Switzerland, Russia, Japin, India and other countries.