... 1.faster radiating for aluminium. 2.tempering glass technology 3.good vitreousness modelLCWL-005materiallamp body: adopt silicon ... cup: adopted Germany PMMA technology, good vitreousness, anti high/low temperature burst. Awarded china technology patent.battery: high-performance ... saving-energy,high lighting,long lifetime.Japanese encapsulation technology,anti-luminous decay, anti UV,high/low ...