We, DONG-A VALVE IND., CO. established in 1978 in Busan, Korea, have manufactured low & high pressure valves, Flap check(duo-check) valve, Tilting disc check valve, and strainer which are used for marine offshore project (FPSO, PLATFORM) and plant industry , etc. We established a subsidiary Company at 1997, TAE-YOUNG SPECIAL METAL IND., CO. TAE-YOUNG SPECIAL METAL IND., CO. has produced various materials such as Cast Iron, Cast Steel, Stainless Steel, Cast Bronze, Ductile iron, Nikel Aluminum Bronze and Alloy Steel, especially Super Duplex Alloy Steel.  TAE-YOUNG SPECIAL METAL IND., CO. obtained Certificate from ABS, BV, DNV, GL,KR.LR, RINA. Nowdays, D.A.V. is the most well-known valve maker in domesic ship-yard, marine plant, offshore project (FPSO, PLAFORM ect) and plant industry .  Also, all of our staffs will try our utmost to promote new products and develop technology and will serve our every requirement to furnish you better products. Use our valves, you will be greatly satisfied with them.