Innovation
Breakthrough
Ningbo Joiwo Explosion-proof Science & Technology Co., Ltd mainly provides integrated services for industrial telephone communication systems, video intercom systems, public broadcasting systems,emergency voice communication system and other industrial communication systems. It also provides wholesale and sales services for a series of products, including IT products, internal emergency communication systems, industrial telephones, explosion-proof telephones, weatherproof telephones, tunnel fiber optic telephone broadcasting systems, integrated pipeline corridor fiber optic telephones, visual emergency telephones, emergency dispatching communication systems, network products, monitoring products, etc.
Joiwo products meet ATEX, CE, FCC, ROHS, ISO9001, and other international standards, serving 70+ countries worldwide. With in-house manufacturing for over 90% of core components, we ensure quality, stability, and reliable delivery, providing one-stop service from design and integration to installation and maintenance.
Service First
Industrial speaker IP rating tells you how well a loudspeaker enclosure resists dust and water, and it is a key selection factor for any PA system in harsh environments. For outdoor or industrial use, IP65 is often a practical baseline, while IP66 or IP67 may be needed where washdown, heavy rain...
The best deals on a network speaker for a PA system in 2026 are usually found in rugged IP-rated models that support SIP/VoIP, clear voice intelligibility, and simple integration with emergency communication or paging networks. Buyers should compare enclosure protection, acoustic output, mountin...