Since 1995. Red100 Lighting Co.,Ltd. has two factories in Yantai and Suzhou andone cooperative factory in Vietnam, with more than 1200 employees. Focus on the design R&D manufacturing and sales of lighting source products for 30 years. We Own Suzhou R&D center, 170⁺ patents, and professional laboratories licensed by the German TUV, the Swiss SGS and the US UL.