What are the after-sales services of Vangaa lighting stage lighting equipment?What are the after-sales services of Vangaa lighting stage lighting equipment? In order to meet the needs of customers and satisfy their trust, Vangaa lighting provides after-sales services of "return, replacement, and rep

What are stage LED audience lights and what are their functions?What are stage LED audience lights and what are their functions? This audience lamp does not mean to be installed in the audience seat, and its purpose cannot be understood literally. LED audience lights have two eyes and four eyes (COB