Hanstar lighting believe in "To be turned into iron, the metal itself must be strong". High Quality Product, Great price, ... It's That Easy. In the past 8 years Hanstar company has accumulated rich production experience,strict supervising system and united responsible team. The LED driver we use are Meanwell driver, Ever Shining driver and Lifud driver. The LEDs we use are Samsung, Lumens, Sharp, Citizen and so on.