Guangzhou Osbal Electronic Technology Ltd. with its 1996-build up factory has 300 experienced worker,8000 square meters working place in Shantou City.We provide a total solution from R&D,design,prototype making,mass-production,overseas sales and after-sales services. Main products are related with headphone including computer headphone,bluetooth headphone,DJ headphone,studio headphone,earphone, speaker and consumer electronic products.