Tòa N04B-T1, Khu ngoại giao đoàn, Phường Xuân Tảo, Bắc Từ Liêm, Hà Nội
Cresyn Hanoi Co., Ltd., specializing in manufacturing earphones, headphones and cables. Hanoi R&D Center is a research and development center for headphone, bluetooth earphone, wired earphone and cable products..