Shenzhen Lianguang Communication Technology Co., Ltd is a professional manufacture of power bank, rechargeable battery and phone accessories. Established in 2012, our factory covers more than 1550 square meters, with about 82 employees who have good research for power banks, rechargeable batteries, design for techniques, quality controlling and production. As BSCI member, we have advanced manufacturing equipment and perfect quality protection system. Beside our “Smartoools” brand, we also have more than 5 years OEM and ODM order experience. Our factory is capable for monthly producing of 50 thousand pieces power bank and 0.3 million pieces rechargeable AA batteries, we service more than 780 distributors in China and hundreds of OEM power bank customers worldwide.