Zhejiang Mulang Electric Co., Ltd. is a leading custom manufacturer, supplier, and factory of surge protective devices in China. Our M20*1.5 1/2-14npt G1/2 Thread Signal Protector Device series offers high-quality lightning protection for signal systems, ensuring reliable and secure operation in various applications. Our surge protective devices are designed for field installation in either series or parallel configurations, providing flexible options to meet specific protection needs. With advanced technology and rigorous quality control, our SPD units offer superior performance and durability, effectively safeguarding sensitive signal equipment from voltage surges and transients. At Zhejiang Mulang Electric Co., Ltd., we are committed to delivering reliable and cost-effective solutions to our clients. Our expertise in manufacturing surge protective devices enables us to meet the diverse requirements of different industries, providing tailored products that meet the highest standards of quality and safety. Choose Zhejiang Mulang Electric Co., Ltd. as your trusted partner for high-quality surge protective devices, and ensure the reliable protection of your signal equipment.