There are nine top Bluetooth speakers suppliers in China and they are as follow:
Shenzhen Zhenxiangsheng Technology
Shenzhen Form Electronics
Shenzhen King Bei Qi Electronics
Shenzhen Kingree Electronics
NOGO International
Hi-FiD Electronics Tech
Shenzhen Betnew Technology
Shenzhen WNY-World Technology
Shenzhen Hongchengyang Electronic Technology.