is a provider of communication infrastructure and all kinds of special emergency communication systems integrating r&d, production and sales. KNTECH is the world's leading provider of integrated communications solutions. We are committed to the development and production of industrial telephone and emergency communication systems. The industrial telephone produced by us is of high standard, with the waterproof grade reaching IP66. Each product has passed the impact test, salt spray test, high and low temperature test and waterproof test before it leaves the factory. Our products are reliable. We not only provide basic communication equipment, but also provide emergency communication solutions in various scenarios. Our products are widely used in subway, highway tunnel, petrochemical, metallurgy, nuclear power, Marine shipbuilding, bridge mining and other industries internal emergency special communication system PAGA broadcast scheduling, scenic spot, airport tourist help management system, municipal SOS, 110,119 alarm system.