Developing Chinese (3rd Edition) is a set of systematic Chinese language teaching materials for adults that embodies the teaching concept of "development" and adopts the model of "integrating comprehensive language ability cultivation with specialized language skills training", which can be divides into three levels (elementary, intermediate and advanced) and six series (comprehensive, speaking, listening, reading, writing and elementary reading and writing), with a total of 28 volumes.

Developing Chinese (3rd Edition) Intermediate Speaking Course (II) aims to comprehensively improve Chinese learners' oral expression ability, especially their comprehensive oral communication skills based on daily conversations and discourse segments. This textbook consists of 14 lessons. The content of the lessons is closely connected to real life, covering topics such as international student life, Chinese language learning, social hot issues, environmental protection, the internet, and cultural thoughts, which is designed to expose learners to a wide variety of language materials as much as possible. Each lesson includes sections such as "Warm-up", "New Words", "Text", "Vocabulary Exercises", "Oral English Golden Key", "Extended Learning: Discourse Markers", "Functional Item Exercises", "Communicative Activities & Tasks", and "Let's Take a Challenge".

Li Quan, Editor-in-Chief, is a professor and doctoral supervisor at the School of Chinese Studies and Cultural Exchange, Renmin University of China. Professor Li is also a member of the National Steering Committee for Postgraduate Education of International Chinese Language Education, vice president of the Beijing Language Association, executive director of the International Society for Chinese Language Teaching, and editorial board member of various journals such as Chinese Teaching in the World and Applied Linguistics.