... with Samsung patent are used in our Led bulbs. High brightness.120-140lm/w, High Colour Rendering Index (CRI) :80%,Long ... supply thermal conductivity AB glue potting, insulating water4. The high-quality aluminum thermal shell is used in our products, Heat dissipation ... Celsius. Is our factory fomal? Where you need the Led Bulb Aluminium Heatsink ?Among below?Genaral lighting,decorative lighting, ...