Hong Kong Tianma Publishing House is a publishing company specializing in Chinese and foreign languages in Hong Kong. It is a holding joint venture company of Hong Kong Tianma Enterprise (UK) Co., Ltd. At present, the company has more than 20% Chinese foreign language market in Hong Kong. Hong Kong Tianma Publishing House authorizes its cooperative publishing house in Chinese mainland to publish hundreds of books and audio-visual products every year. In the past few years, Hong Kong Tianma Publishing House has been in the top five in terms of external copyright input and output in Chinese mainland.