TIANRONG.TIANRONG, established in 1990, is a specialized manufacturer of water-blocking and semiconductive shielding materials for optical and power cables. Its product line includes insulating water-blocking tapes, semiconductive water-blocking tapes, water-blocking yarns/strands, copper wire shielding tapes, and various flame-retardant tapes, providing critical supporting materials for ultra-high-voltage power and communication cables as well as optical cables. With its exceptional quality, TIANRONG's products are sold in over 100 countries and regions worldwide and are widely adopted by major global cable manufacturers, establishing the company as one of the industry's key material suppliers.