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Wanhua Chemical Group is a global chemical company headquartered in Shandong Province, China, founded in 1989. It is the largest producer of MDI (benzophenone diisocyanate) in China and one of the largest producers of cyanates and polyols in the world.   Wanhua Chemical is mainly engaged in the...

POE (power-over-Ethernet) is a technique that allows Power and data signals to be transmitted over Ethernet cables. With POE, devices can obtain both power and network connection via a single Ethernet cable without the need for additional power lines.   The potential of POE is mainly manifested...