Our company  called XIAMEN STRENGTHENEDTA INDUSTRY CO.,LTD,China, is specialized in the manufacturimg of solar system,smartphones,laptops,mosquitoes killers and so on.
I would introduce our solar led lighting system to you.The solar system, 500w solar generator +40W solar panel can run such 20pcs 1.5w solar led bulb( led bulb with battery inside).The autonomy of our solar generator is more than 6 hours and it is also a nice solar lighting system.
The solar generator can be used to recharge a car battery,a laptop battery and a cellphone battery ,and  is so economic electrically
because of it's solar panel which  captures the sun light.
PLease find enclosed our quotations and we hope you will like our prices. I also invite you to view our websites (www.staindustry.com.cn
,www.stadeal.com),where you will find all the pictures of all our products.