ostry.cn Coupon Codes

OSTRY Audio | The Global | Earphone and Headphone, OSTRY has independent R & D and design teams, which allows us to have various capabilities, such as production, sales and marketing. In 1985, Mr. Jiang, chief engineer, joined in China State-owned Red Sound Equipment Factory and involved in early research and development of acoustic equipment. In 1996, we established R & D, production, sales, speaker and became well-known for developing ,producing and supplying the speaker over two decades. In 2012, we made a breakthrough in core speaker.