We have great business with some big customer in the world due to good quality products and competitive price, So quality is guaranteed. The TWS is Stable connection, clear calling and great sound qualityOur factory has more than 30,000 square meters, with 400 staff,including 35 members of R&D team, to offer different solutions of earphones according to customers and market demand.We have passed ISO 9001-2015 system, BSCI and other big brand companies' audit. Most products passed CE,ROHS,REACH,FCC(according to customers' requirement).We have full production lines including: R&D dept,Mold dept,Injection rooms,Oil painting dept, Silk print dept,Assembly dept,complete QC system etc.Those really help us control quality and costs strictly and could satisfy customers'different requirements flexibly.