Tianmingwei is a high-tech enterprise that specializes in the researching,manufacturing,and sales of wired earphones,bluetooth earphones,true wireless TWS earphones,wireless charger.It has more than 10years of OEM ODM earphones manufacturing experience since 2010.And focus on R&D and manufacturing of wireless bluetooth sport earphones,true wireless bluetooth TWS earphones,noise cancelling bluetooth earphones,wired gaming headsets in 2017. We have very strict quality management system of ISO9001:2015,more than 12 inspection projects including wire inspection to audio testing),all single item inspected from raw materials to finished products before delivery by experienced QC department.To make sure each single item are shipped qualified in good condition.