Shengzhou Sanma Electron Co., Ltd was established in 1988,manufactureed T-yoke and washer,both one body and two body T-yoke,mainly used in compression driver and big size woofer.
Shengzhou Haihang Import & Export Co., Ltd.
Shengzhou Sanma Electron Co., Ltd was established in 1988,manufactureed T-yoke and washer,both one body and two body T-yoke,mainly used in compression driver and big size woofer.