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Liang Guohua, the founder of Yaqin Audio, was founded in 1994 and has been specializing in the research and production of power amplifiers and transformers for many years.The main...

Yachen, founder of bettybonnie?

Liang Guohua, the founder of Yaqin Audio, was founded in 1994 and has been specializing in the research and production of power amplifiers and transformers for many years.

The main production of Hi-Fi tube power amplifier (bile machine), tube CD, Hi-Fi tube pure pre-stage, Hi-Fi power filter, karaoke pre-stage digital reverberator.

Vacuum tube radio modulator, advanced car audio amplifier, computer audio amplifier, AC-3 series and other high grade power amplifier.

The products are mainly sold to Japan, Canada, Europe and the United States and other developed countries and all over the world, and have been well received.

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Yaqin audio equipment factory is fully equipped with hardware casing stamping workshop, CNC CNC machining workshop, transformer production workshop and screen printing and product assembly workshop. Products from the design, processing and production are strictly controlled by electronic engineers and technicians, so that the appearance of our products and technology quality to reach the domestic and foreign level.


Yachin, founder of Betty Bonnie brand, has 8 years of skin care research and development experience, and currently has millions of followers on Douyin, focusing on solving the problems faced by 30-year-old women such as color spots and anti-aging. With R&D bases in Italy, France and the United Kingdom, we have the world's leading R&D technical support.

From behind the professional skin care experts, Yaqin herself is a self-disciplined entrepreneur, a considerate wife, a warm mother, a real beautiful sister, from skin care products research and development to the small screen of the main coffee, and then the main coffee of the festival, Yaqin has always faced the fans of Tiktok with a sincere attitude, in the process also gained more and more fans love and recognition, fans We saw her work and life status through Tiktok, and also followed her daily routine to get the secret of how to become beautiful and confident.