Dasung Tech Co., Ltd. was established to play a role in the development of facility industry by dramatically improving the performance of stainless steel pipe joint. Today, economic development and improvement of income levels made us to be oriented towards a little more luxurious, safe and long-lasting buildings and vessels of advanced countries. Therefore, Dasung Tech Co., Ltd. has improved the installation method of dual ring joint to connect the rust-free, long lasting and hygienic stainless steel pipes without welding in more convenient, safe and cost-effective way.