Lighting
| Fri 22 Aug 2025
Beijing, Aug. 23 -- State Intellectual Property Office of China has awarded a patent to Shenzhen Oceans King Railway Lighting Tech Co Ltd, Shenzhen Oceans King Lighting Eng Co Ltd, Oceans King Lighting Sci & Tec, Oceans King Dongguan Lighting Science & Tech Co Ltd, Shenzhen Oceans King Power Grid Lighting Tech Co Ltd, Shenzhen O..