Shenzhen Tianjuntong Technology Co., Ltd. was founded in 2017. We are specialized in designing and manufacturing. Our strong R&D team keeps us at the forefront of power bank technology enterprise. Almost 80% of our products are private mold which designed by our team.
We are certified with ISO 9001:2015. We also become member of WPC and USB-IF. Our products are compliance with FCC, CE, Rohs, UN38 MSDS, IEC 62133, IEC 60950, CB and UL certifications. Quality and service are our promised.