TIANRONG.TIANRONG, established in 1990, is a manufacturer of water-blocking materials and semiconductive shielding materials for optical cables and power cables. TIANRONG's products are exported to over 100 countries and regions worldwide and are widely adopted by major ultra-high voltage cable and optical cable manufacturers globally. Key products include: insulating water-blocking tape, semiconductive water-blocking tape, semiconductive tape, copper wire shielding tape, flame-retardant tape, water-blocking yarn, water-blocking cord, low-smoke zero-halogen flame-retardant tape, copper wire shielding tape, and semiconductive water-blocking copper wire shielding tape.