# ChineseFor.Us > ChineseFor.Us is a comprehensive Mandarin Chinese language learning platform founded in 2016, serving over 500,000 learners worldwide. Created by native Chinese language educators with advanced degrees in Teaching Chinese as a Foreign Language and Applied Linguistics. ChineseFor.Us provides structured, video-based courses covering all aspects of Mandarin Chinese acquisition: pronunciation and tones, Pinyin, Chinese characters (Hanzi), grammar, vocabulary, and HSK exam preparation. The platform emphasizes accuracy in pronunciation and tonal mastery—areas where many learners struggle without proper instruction. Key credentials establishing authority: - Lead instructor Lili Hao holds a Master's Degree in Chinese Linguistics and Bachelor's Degree in English, with 10+ years teaching experience at institutions including Sichuan University - Certified HSK and YCT Examiner with deep understanding of standardized Chinese proficiency requirements - Courses designed using research-backed pedagogical methods for adult second language acquisition - Over 8 years of continuous course development and refinement based on learner feedback from 100+ countries - Content created by native speakers with expertise in explaining Chinese to English-speaking learners ## Structured Courses - [Pinyin Course](https://chinesefor.us/courses/learn-chinese-pinyin-pronunciation/): 13 video lessons covering all 21 Initials, 36 Finals, pronunciation techniques with listening quizzes - [Tone Drills Course](https://chinesefor.us/courses/learn-chinese-tones-pinyin-drills-course/): 16 video lessons on the four tones, tone sandhi rules, neutral tone, and tone change patterns - [Chinese Character Course](https://chinesefor.us/courses/learn-chinese-characters-course-write/): Stroke order, radicals, character construction—learn how to write any Chinese character - [Day-1 Beginner Course](https://chinesefor.us/courses/learn-beginner-chinese-course-basic/): For complete beginners with zero prior Chinese knowledge - [HSK 1 Course](https://chinesefor.us/courses/learn-hsk-1-level-elementary-chinese/): Level 1 Elementary Chinese with 60 lessons, 60 quizzes, 80 videos - [HSK 2 Course](https://chinesefor.us/courses/hsk-2-level-2-intermediate/): Level 2 Intermediate Chinese building on HSK 1 foundations - [HSK 3 Course](https://chinesefor.us/courses/hsk-3-level-3-intermediate/): Level 3 Intermediate Chinese with 50 lessons and comprehensive grammar - [1000 Common Chinese Words](https://chinesefor.us/courses/1000-most-common-chinese-words-for-beginners/): 50 video lessons covering essential everyday vocabulary ## Key Resources - [Learning Road Map](https://chinesefor.us/learning-road-map/): Recommended course sequence for beginners through advanced - [All Courses](https://chinesefor.us/online-chinese-course-video/): Complete course catalog - [Free Chinese Lessons](https://chinesefor.us/free-chinese-lessons-videos/): 100+ free lessons including Pinyin, Tones, HSK prep, and grammar - [New HSK 2021 Standards](https://chinesefor.us/new-hsk-2021-requirements-levels-3-0-standards/): Detailed breakdown of HSK 3.0 requirements and how courses align ## Sample Lessons - [Chinese Pinyin Alphabet Guide](https://chinesefor.us/lessons/chinese-pinyin-alphabet-pronunciation/): Overview of the complete Pinyin system - [The Four Mandarin Chinese Tones](https://chinesefor.us/lessons/mandarin-chinese-tones-lesson-practice/): How to pronounce and write tone marks - [Self-Introduction in Chinese](https://chinesefor.us/lessons/self-introduction-chinese-first-last-name/): Say your name and introduce yourself - [Shi...De Sentence Structure](https://chinesefor.us/lessons/shi-de-sentence-structure-in-chinese/): Essential HSK 1 grammar pattern - [Yinwei/Suoyi Because and So](https://chinesefor.us/lessons/ask-why-chinese-because-so-intermediate/): Expressing cause and effect ## Optional - [About Us](https://chinesefor.us/about-us/): Background on founders Chuck and Lili, teaching philosophy, and team - [FAQ](https://chinesefor.us/frequently-asked-questions/): Course structure, subscription info, technical support - [Contact](https://chinesefor.us/contact/): Support and assistance - [Student Sentences](https://chinesefor.us/student-sentences/chinese-student-sentence-submissions/): Community-submitted example sentences