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This Q-light is designed for sea use to prevent rock accident of
ship by its energy-saving LED lighting lamps, with solar panel on
the surface and high-strength ropes linked to the bottom. By using
natural energy, it works as an alert for ships passing by to prevent
rock accidents within the open sea regions.
USST
Shanghai, China
Chen Tao
USST
Shanghai, China
Zhang Yifan
Yang jidong