揘O RUST, NO CRACK? 揘O LEAK, NO Death Angle? Ni Hsin has emerged as a leader in the manufacturing a wide range of Premium Stainless Steel products in Taiwan since 1957. <> With our high-tech technology in stainless steel water filter housing, we are able to produce the products with high quality, productivity, cost efficiency and user friendly. Our seamless vanishing structure product gives more elegant and style.