Tianlong 483 power amplifier listing date

July 2020. Tianlong 483 power amplifier was produced by Ningbo Tianlong Electronics Co., Ltd., and the officially listed multimedia home theater audio was released on July 18, 2020. Ningbo Tianlong Electronics Co., Ltd. was established in 2000. The company is located in Hangzhou Bay New District, Ningbo, on the beautiful coast of the East China Sea.