河南朝桐乐器厂，是一家专注于纯手工古筝和古琴等乐器研发及生产的工厂，是中国手工制琴的传承者。

Henan Chaotong Musical Instrument Factory is a factory that focuses on the research and production of pure handmade guzheng and guqin instruments. It is the inheritor of Chinese handmade qin.