Welcome to Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd., a leading manufacturer and supplier of high-quality metal telephone jacks in China. Our state-of-the-art factory produces top-of-the-line communication products for various industries, including oil and gas, mining, manufacturing, and more. Our metal telephone jack is designed with durability and safety in mind, meeting the highest standards for explosion-proof and hazardous environments. With a robust metal construction, this telephone jack is built to withstand the harshest conditions while ensuring reliable communication. Whether you need a telephone jack for emergency communication, industrial operations, or public areas, our product delivers superior performance and peace of mind. It is easy to install and compatible with a wide range of communication systems, making it a versatile solution for your needs. At Ningbo Joiwo, we are committed to delivering excellence in every product we make. Trust us to provide you with high-quality metal telephone jacks that meet your requirements and exceed your expectations. Contact us today to learn more about our products and how we can meet your communication needs.