The YSIQ(D)30 series pneumatic/electric intelligent cage-guided control valve was included in China’s 2010 Torch Program and is covered by multiple national patents. It uses a compact modular design with a cage-guided pressure-balanced plug and a dual-line metal seal, making it suitable for high-temperature and high differential-pressure applications. The compression connection between cage and body improves sealing class and stability and simplifies maintenance. The pneumatic version is fitted with a ZM10 high-strength multi-spring actuator and intelligent valve positioner, while the electric version uses an intelligent electric actuator. The modular actuator supports easy field conversion between direct and reverse action and spring corrosion protection; its tubeless positioner connection improves vibration resistance, operating stability and regulating accuracy.