Desheng takstar (Guangdong Desheng Electronics Co., Ltd., founded in 1995, is a famous trademark in Guangdong Province, a high-tech enterprise, a governing unit of China Recorders Association, the most developing brand in the electroacoustic industry in China, the most competitive brand with satisfactory product quality in China market, one of the largest production bases of sound transmission products in the world, a well-known trademark in China and a famous brand product in China)

Tianmin 1moons (specializing in computer audio and video). )

SAST (SAST- Shenzhen New Century Technology Co., Ltd. is a national top 1 electronic enterprise, a famous trademark in Guangdong Province and a well-known trademark in China, a famous brand product in China, a state-owned high-tech enterprise with economies of scale)

Banghua (enping city Banghua Electronics Co., Ltd., a modern scientific and technological joint venture integrating scientific research/production/sales and trade)

aoni (Aoni)