Hengxiang is one of factory of the signal booster for long time,We have the professional engineer to design signal repeater,Help customer to settle signal problem. Our proudcts have been exported to all over the world,such as Southeast Asia,Africa,Europe,South America and the Middle East.They were good sale in Shopee,Aliexpress,Ebay,Amazon and others. We are committed to providing the best solution for mobile operators,offering OEM and ODM service. Products can be custom-ized according to different operators in the word.If you do the TIKTOK business ,you had better to solve the problem of weak voice and data signal of your phone.