1. What is Beam Angle?Beam angle refers to the angle between the two planes of light where the intensity is at least 50% of the maximum intensity at center beam. The average beam angle on most par lights is 25 degree and will work well for most purposes.What is Field Angle?Field angle refers to the

Every bulb from Changsheng needs to pass testing System . This system include two parts . Part 1 . Technical data; Part 2. Life time

As we all know,nowadays if you want to have advantage in some products,the best way is that you are manufacturer. For stage lights,there are many different factories in Guangzhou.We are also among them. But we are the only one manufacture who also own lamp factory in Wuxi.We could try the best to ad

Established in 1997,Wuxi changsheng special lighting factory provides lamps for theatre and studio lighting,projector lamps and moving heads…how time flies!20years has been passed,Our factory becomes stronger and stronger .We starteded from a families workshop,now we have many branch offices in loca

We will attend Sound Check Expo from April.23-25 in Mexico city of Mexico.Our booth no is 176.We will show 6 models of our newly researched stage and studio lights in our booth this time. And also we will still take the samples of our lamps for beams lights,moving head lights,studio fresnel lights a