Since 2002, Taiwan's Wei-day focus on high-power package, customers rave reviews, stable and reliable quality! (In Taiwan ranked billion light, Addison's first) advantage: German IS professional packaging machine, powerful aging test equipment! Two advantages: Epistar holding 40 percent, the lesson strength, reliable after-sales service guarantee! Three advantages: a unique phosphor coating technology, high lumen, low light decay, several products over the LM-80! Four advantages: full of light and color, cool white, white, natural white, warm white, ultra-warm white, 2200K, 1800k, red, green, blue, yellow, amber.