Our well-equipped facilities and excellent quality control throughout all process of production enable us to guarantee high quality products. Honsenn fully and strictly follow ISO system standard and certificated with ISO 9001 QMS Certificate. And we have been approved by BSCI audit as well. Products in line with CE,FCC,BQB, etc. All certifications can be arranged to compliant with worldwide markets.Honsenn takes strictly and fully quality control on the product. From developing, production, shipment, all testing should be 100% conducted. In that case, Honsenn’s first pass yield rate is over 97% which is much more higher than other earphone factory. Honsenn is a competitive company and able to help customer to build their brand.