Since 1995. Red100 Lighting Co.,Ltd. has two factories in Yantai and Suzhou, with more than 1 .200 employees. Focus on the design. R&D. manufacturing and sales of lighting source products for 29 years. We own Suzhou R&D center, 170⁺ patents, and professional laboratories licensed by the German TUV, the Swiss SGS and the US UL.