Established in 1989, Kum Sung Special Cast Steel Co., Ltd. has specialized in producing steel casting products. We devoted ourselves to research and development for high quality products. As a result, we standardize the manufacturing process and can minimize the percentage of defective products. Our main products include valve disc, wedge, yoke sleeve, valve body and so on. Our KY870A has good mechanical and physical features and make up the weak point of normal steel. So die casting manufacturing company prefers our products. We will endeavor to develop new material such as SUS420J2, SUS430, monel, inconel, hastelloy, Hi-Mn steel castings, Hi-Cr cast irons. We are happy to accommodate your requests regarding any of our products, and can meet your all your specifications.