... consistence, an average life span of 10000 hours and lamp on-off;2) Patentd lamp holder design, safe and reliable,rust ... ) Min tin,no lead,low mercury(approx.3mg),environment friendly,7) Conforming to CE, CQC, IEC standards,safe and reliable.8 ... ,flower shape CFL,globe shape CFL, reflector shape CFL,LED and so on.In addition,energy saving lamps are made from different ...