Quality of LED bulbs on the market varies greatly, the unqualified LED bulbs ordinary consumers bought will be easily broken and lack luster over time, in order to purchase qualified products, consumers must check the certification logo at first. Essential Safety Certification Xiaoming Ai, CEO of OSRAM (China) Lighting Co., Ltd., said that consumers must choose the LED products in line with national standards and coming with safety certification, such as CCC, GS, CE, and UL. "These products provide powerful guaranty of safety, performance and d...