This document provides information about Terofox Valves Integrated Corp., a Taiwanese valves manufacturer. It outlines their product offerings including ball valves in various designs, materials, pressure ratings and end connections. It describes their quality management system and certifications. The document also provides diagrams to illustrate blow-out proof stem and anti-static device designs, as well as API607 fire safe design. Manufacturing procedures are outlined showing steps from casting to final inspection and packaging.