　　Continental Disc Corporation, founded in 1965, is a world-renowned company producing industrial explosive discs and pressure release products. Products are widely used in petroleum and natural gas, petrochemical, chemical, environmental protection, electricity, food, pharmaceutical, brewing and other fields.

　　CDC company has more than 30 kinds of blasting disc products, its subsidiary GROTH is a famous manufacturer in the fields of vacuum/pressure safety valve, nitrogen sealing valve, flame arrester, explosion arrester, pilot safety relief valve, emergency relief valve and so on. Another subsidiary company, Lamot, is an economic standard blasting disc manufacturer, which has established the leading position of CDC in the blasting disc market.