Ningbo Bojie Solar Energy Co.,Ltd is a manufacturer and trading company, established in 1997, and since that, it is dedicated to solar bag for 5years. It has R& D experts, all of the solar bag comply with CE & ROHS, and UL standard, accept OEM & ODM. the warranty of the bag is 1year. products sell to many countries and regionss, and we have got the support from American president Obama.