Sealtech Vietnam is specialized in supplying rubber seals, rubber gaskets from leading and professional manufacturers in the world. All rubber compounds for manufacturing are sourced from well known suppliers such as 3M, DuPont, Bayer, Dow Corning .Sealtech Vietnam is specialized in supplying rubber seals, rubber gaskets from leading and professional manufacturers in the world. All rubber compounds for manufacturing are sourced from well known suppliers such as 3M, DuPont, Bayer, Dow Corning .