This document provides information about through bore slip rings from Jinpat. It lists the circuit and current ratings, through bore diameter sizes up to 500mm, compatibility with data bus protocols, and durability. Optional configurations include inner/outer diameter, length, working speed, number of circuits, current/voltage, wire connections, and housing color. Applications mentioned include security, automotive, cable reels, medical equipment, semiconductors, robots, sensors, industrial machinery, and more. The document also lists certifications and quality policies of Jinpat.