SHENZHEN HUI JIN LONG ELECTRONIC TECHNOLGOY CO., LTD. 

Address: R603, Rong tai building, Hua rong road,165#, Longhua New District, Shenzhen, 518109, China.
[ t ]: +86-755-8268-9936 
[ f ]: +86-755-8220-5409 
Skype : hjlbattery
Email: jack@hjlbattery.com
Website: www.hjlbattery.com 
Business Hour: Mon. - Fri. 9:30am -12:00am   2:00pm - 7:30pm

Technical Support 
Thanks for your trust and support of our products, if you have any questions about the product and after-sales, please email your questions to frank@hjlbattery.com, and our professional technical personnel will be happy to serve you.