... lighting; 3)Eye protection-No flicker, no glare; 4)High power efficiency; 5)LDP Patent. ONLLA family provides Commercial and Indoor ... before application; LED chip with color temperature, CRI, lumen efficiency test etc..2). Assembling:Following schedule for quality and lead ... sales and customer-service dept. both work for you,high efficiency of communication;3).report order status every day;4).reliable ...