Groth Corporation is one of the subsidiaries of Continental Disc Corporation, and serves as a leading manufacturing supplying pressure safety and pressure protection devices for various industries including petroleum drilling, and production, treatment, storage and transportation of oil production. The storage tank protection products provided by Groth are always used to prevent damages resulted from overpressure, vacuum or fire of the atmospheric storage tank, and reduce product loss through evaporation, so as to reduce cost for the Company. CDC and Groth provide products and services that ensure you the safe and effective solutions applicable to pressure protection.http://grothcorp.com